Sumário

Chapter 11

Try It

Mostrar solução

11.1

ⓐ 1C
ⓑ Engineering Building

Mostrar solução

11.2

ⓐ 1A
ⓑ Library

Mostrar solução

11.3

This answer graph shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. There are two labeled points: the first is ordered pair (5, 2), and the second is (2, 5)

Mostrar solução

11.4

This answer graph shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. There are two labeled points: the first is ordered pair (2, 4), and the second is (4, 2)

Mostrar solução

11.5

The graph shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. The point “ordered pair -2, 1” is labeled “a”. The point “ordered pair -3, 1” is labeled “b”. The point “ordered pair 4, -4 is labeled “c”. The point “ordered pair -4, 3/2” is labeled “d”.

Mostrar solução

11.6

This image is an answer graph and shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. The point “ordered pair -4, 1” is labeled “a”. The point “ordered pair -2, 3” is labeled “b”. The point “ordered pair 2, -5” is labeled “c”. The point “ordered pair -3, 5/2” is labeled “d”.

Mostrar solução

11.7

This image is an answer graph and shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. The point “ordered pair 4, -3” is labeled “a”. The point “ordered pair 4, 3” is labeled “b”. The point “ordered pair -4, -3” is labeled “c”. The point “ordered pair -4, 3” is labeled “d”.

Mostrar solução

11.8

This image is an answer graph and shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. The point “ordered pair -1, -4” is labeled “a”. The point “ordered pair 1, 4” is labeled “b”. The point “ordered pair 1, -4” is labeled “c”. The point “ordered pair -1, -4” is labeled “d”.

Mostrar solução

11.9

This image is an answer graph and shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. The point for ordered pair 4, 0 is plotted. The point for ordered pair -2, 0 is plotted. The point for ordered pair 0,0 is plotted. The point for ordered pair 0, 2 is plotted. The point for ordered pair 0,-3 is plotted.

Mostrar solução

11.10

This image is an answer graph and shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. The point for ordered pair -5, 0 is plotted. The point for ordered pair 3, 0 is plotted. The point for ordered pair 0,0 is plotted. The point for ordered pair 0, -1 is plotted. The point for ordered pair 0,4 is plotted.

Mostrar solução

11.11

A: (5,1)
B: (−2,4)
C: (−5,−1)
D: (3,−2)

Mostrar solução

11.12

A: (4,2)
B: (−2,3)
C: (−4,−4)
D: (3,−5)

Mostrar solução

11.13

A: (4,0)
B: (0,3)
C: (−3,0)
D: (0,−5)

Mostrar solução

11.14

A: (−3,0)
B: (0,−3)
C: (5,0)
D: (0,2)

Mostrar solução

11.15

ⓐ, ⓒ

Mostrar solução

11.16

ⓑ, ⓒ

Mostrar solução

11.17

ⓑ

Mostrar solução

11.18

ⓐ, ⓑ

Mostrar solução

11.19

$y = 3 x - 1 y = 3 x - 1$
$x x$	$y y$	$(x, y) (x, y)$
$00$	$−1 −1$	$(0, −1) (0, −1)$
$−1 −1$	$−4 −4$	$(−1, −4) (−1, −4)$
$22$	$55$	$(2, 5) (2, 5)$

Mostrar solução

11.20

$y = 6 x + 1 y = 6 x + 1$
$x x$	$y y$	$(x, y) (x, y)$
$00$	$11$	$(0, 1) (0, 1)$
$11$	$77$	$(1, 7) (1, 7)$
$−2 −2$	$−11 −11$	$(−2, −11) (−2, −11)$

Mostrar solução

11.21

$2 x - 5 y = 20 2 x - 5 y = 20$
$x x$	$y y$	$(x, y) (x, y)$
$00$	$−4 −4$	$(0, −4) (0, −4)$
$1010$	$00$	$(10, 0) (10, 0)$
$−5 −5$	$−6 −6$	$(−5, −6) (−5, −6)$

Mostrar solução

11.22

$3 x - 4 y = 12 3 x - 4 y = 12$
$x x$	$y y$	$(x, y) (x, y)$
$00$	$−3 −3$	$(0, −3) (0, −3)$
$44$	$00$	$(4, 0) (4, 0)$
$−4 −4$	$−6 −6$	$(−4, −6) (−4, −6)$

Mostrar solução

11.23

Answers will vary.

Mostrar solução

11.24

Answers will vary.

Mostrar solução

11.25

Answers will vary.

Mostrar solução

11.26

Answers will vary.

Mostrar solução

11.27

Answers will vary.

Mostrar solução

11.28

Answers will vary.

Mostrar solução

11.29

ⓐ yes ⓑ yes
ⓐ no ⓑ no
ⓐ no ⓑ no
ⓐ yes ⓑ yes

Mostrar solução

11.30

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 0” and “ordered pair 4, -4”.

Mostrar solução

11.31

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 0” and “ordered pair 1, -4”.

Mostrar solução

11.32

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, -1” and “ordered pair 3, 0”.

Mostrar solução

11.33

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 2” and “ordered pair -12, 0”.

Mostrar solução

11.34

This answer graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. The equation x plus y equals -2 is shown. A line passes through the intercepts with coordinates 0, –2 and –2, 0.

Mostrar solução

11.35

The graph shows the x y-coordinate plane. The x and y-axis each run from -7 to 7. A line passes through the points “ordered pair 6, 0” and “ordered pair 0, -6”.

Mostrar solução

11.36

The graph shows the x y-coordinate plane. The x and y-axis each run from -7 to 7. A line passes through three labeled points, “ordered pair -1, 2”, “ordered pair 0, -1”, and ordered pair 1, -4”. The line is labeled 3 x + y = -1.

Mostrar solução

11.37

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair -1, 4” and “ordered pair 0, -3”.

Mostrar solução

11.38

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A vertical line passes through the points “ordered pair 5, 0” and “ordered pair 5, 1”.

Mostrar solução

11.39

Mostrar solução

11.40

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A horizontal line passes through the points “ordered pair 0, -4” and “ordered pair 1, -4”.

Mostrar solução

11.41

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A horizontal line passes through the points “ordered pair 0, 3” and “ordered pair 1, 3”.

Mostrar solução

11.42

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A horizontal line passes through “ordered pair 0, -4” and “ordered pair 1, -4” . A second line passes through “ordered pair 0, 0” and “ordered pair 1, -4” . The two lines intersect at “ordered pair 1, -4”.

Mostrar solução

11.43

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A horizontal line passes through “ordered pair 0, 3” and “ordered pair 1, 3” . A second line passes through “ordered pair 0, 0” and “ordered pair 1, 3” . The two lines intersect at “ordered pair 1, 3”.

Mostrar solução

11.44

x-intercept (2,0): y-intercept (0,−2)

Mostrar solução

11.45

x-intercept (3,0); y-intercept (0,2)

Mostrar solução

11.46

$(4, 0) (4, 0)$ and $(0, 12) (0, 12)$

Mostrar solução

11.47

$(8, 0) (8, 0)$ and $(0, 2) (0, 2)$

Mostrar solução

11.48

x-intercept (4,0); y-intercept: (0,−3)

Mostrar solução

11.49

x-intercept (4,0); y-intercept: (0,−2)

Mostrar solução

11.50

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, -2” and “ordered pair 4, 0”.

Mostrar solução

11.51

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 2” and “ordered pair -6, 0”.

Mostrar solução

11.52

The graph shows the x y-coordinate plane. The x and y-axis each run from -7 to 7. A line passes through the points “ordered pair 0, -5” and “ordered pair 2, 0”.

Mostrar solução

11.53

The graph shows the x y-coordinate plane. The x and y-axis each run from -7 to 7. A line passes through the points “ordered pair 0, -3” and “ordered pair 4, 0”.

Mostrar solução

11.54

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 0” and “ordered pair 1, 3”.

Mostrar solução

11.55

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 0” and “ordered pair 1, -1”.

Mostrar solução

11.56

ⓐ intercepts
ⓑ horizontal line
ⓒ plotting points
ⓓ vertical line

Mostrar solução

11.57

ⓐ vertical line
ⓑ plotting points
ⓒ horizontal line
ⓓ intercepts

Mostrar solução

11.58

$\frac{4}{3} \frac{4}{3}$

Mostrar solução

11.59

$\frac{1}{4} \frac{1}{4}$

Mostrar solução

11.60

$- \frac{2}{3} - \frac{2}{3}$

Mostrar solução

11.61

$- \frac{4}{3} - \frac{4}{3}$

Mostrar solução

11.62

The figure shows a grid of evenly spaced dots. There are 5 rows and 5 columns. There is a rubber band style triangle connecting three of the three points at column 2 row 3, column 2 row 4,and column 5 row 3.

Mostrar solução

11.63

Mostrar solução

11.64

Mostrar solução

11.65

Mostrar solução

11.66

$\frac{2}{5} \frac{2}{5}$

Mostrar solução

11.67

$\frac{3}{4} \frac{3}{4}$

Mostrar solução

11.68

$- \frac{4}{3} - \frac{4}{3}$

Mostrar solução

11.69

$- \frac{3}{5} - \frac{3}{5}$

Mostrar solução

11.70

$\frac{5}{4} \frac{5}{4}$

Mostrar solução

11.71

$\frac{3}{2} \frac{3}{2}$

Mostrar solução

11.72

undefined

Mostrar solução

11.73

Mostrar solução

11.74

Mostrar solução

11.75

Mostrar solução

11.76

−1

Mostrar solução

11.77

Mostrar solução

11.78

The graph shows the x y-coordinate plane. The x-axis runs from -12 to 12. The y-axis runs from -12 to 12. A line passes through the points “ordered pair -2, 3” and “ordered pair 8, 6”.

Mostrar solução

11.79

Mostrar solução

11.80

The graph shows the x y-coordinate plane. The x-axis runs from -12 to 12. The y-axis runs from -12 to 12. A line passes through the points “ordered pair 0, 4” and “ordered pair 4, -6”.

Mostrar solução

11.81

The graph shows the x y-coordinate plane. The x-axis runs from -12 to 12. The y-axis runs from -12 to 12. A line passes through the points “ordered pair -3, 0” and “ordered pair 8, -8”.

Mostrar solução

11.82

The graph shows the x y-coordinate plane. The x-axis runs from -7 to 7. The y-axis runs from -7 to 7. A line passes through the points “ordered pair -2, 1” and “ordered pair 0, 7”.

Mostrar solução

11.83

The graph shows the x y-coordinate plane. The x-axis runs from -7 to 7. The y-axis runs from -7 to 7. A line passes through the points “ordered pair 0, 6” and “ordered pair 0, 3”.

Mostrar solução

11.84

$\frac{7}{12} \frac{7}{12}$

Mostrar solução

11.85

$\frac{5}{12} \frac{5}{12}$

Mostrar solução

11.86

$- \frac{1}{36} - \frac{1}{36}$

Mostrar solução

11.87

$- \frac{1}{48} - \frac{1}{48}$

Section 11.1 Exercises

Mostrar solução

The graph shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. The point “ordered pair 3, 2” is labeled

Mostrar solução

The graph shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. The point “ordered pair 1, 5” is labeled

Mostrar solução

The graph shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. The point “ordered pair 1, 4” is labeled. The point “ordered pair 4, 1” is labeled.

Mostrar solução

The graph shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. The point “ordered pair 3, 4” is labeled. The point “ordered pair 4, 3” is labeled.

Mostrar solução

The graph shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. The quadrants are labeled I, II, III, and IV. The point (-1, 1) is labeled a, the point (-2, -1) is labeled b. The point (1, -4) is labeled c, and the point (3, 7/2) is labeled d.

Mostrar solução

11.

The graph shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. The point (3, -2) is labeled a, the point (-3, 2) is labeled b. The point (-3, -2) is labeled c, and the point (3, 2) is labeled d.

Mostrar solução

13.

The graph shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. The point (-2, 0) is labeled a, the point (-3, 0) is labeled b. The point (0, 4) is labeled c, and the point (0, 2) is labeled d.

Mostrar solução

21.

ⓐ, ⓑ

Mostrar solução

23.

ⓐ, ⓒ

Mostrar solução

25.

ⓑ, ⓒ

Mostrar solução

27.

ⓐ, ⓑ

Mostrar solução

29.

$x x$	$y y$	$(x, y) (x, y)$
$−1 −1$	$−6 −6$	$(−1, −6) (−1, −6)$
$00$	$−4 −4$	$(0, −4) (0, −4)$
$22$	$00$	$(2, 0) (2, 0)$

Mostrar solução

31.

$x x$	$y y$	$(x, y) (x, y)$
$−2 −2$	$77$	$(−2, 7) (−2, 7)$
$00$	$55$	$(0, 5) (0, 5)$
$33$	$22$	$(3, 2) (3, 2)$

Mostrar solução

33.

$x x$	$y y$	$(x, y) (x, y)$
$−2 −2$	$11$	$(−2, 1) (−2, 1)$
$00$	$−2 −2$	$(0, −2) (0, −2)$
$22$	$−5 −5$	$(2, −5) (2, −5)$

Mostrar solução

35.

ⓐ
ⓑ Age and weight are only positive.

Mostrar solução

37.

Answers may vary.

Section 11.2 Exercises

Mostrar solução

39.

ⓐ yes ⓑ yes
ⓐ no ⓑ no
ⓐ yes ⓑ yes
ⓐ yes ⓑyes

Mostrar solução

40.

ⓐ yes ⓑ yes
ⓐ yes ⓑ yes
ⓐ no ⓑ no
ⓐ no ⓑno

Mostrar solução

41.

ⓐ yes ⓑ yes
ⓐ yes ⓑ yes
ⓐ yes ⓑ yes
ⓐ no ⓑno

Mostrar solução

42.

ⓐ yes ⓑ yes
ⓐ yes ⓑ yes
ⓐ no ⓑ no
ⓐ yes ⓑyes

Mostrar solução

43.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, -1” and “ordered pair 1/3, 0”.

Mostrar solução

45.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 4” and “ordered pair 1, 0”.

Mostrar solução

47.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 2” and “ordered pair 2, 4”.

Mostrar solução

49.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, -3” and “ordered pair 1, -4”.

Mostrar solução

51.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 0” and “ordered pair 2, 4”.

Mostrar solução

53.

Mostrar solução

55.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 2” and “ordered pair 4, 4”.

Mostrar solução

57.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 5” and “ordered pair 4, 2”.

Mostrar solução

59.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 1” and “ordered pair 8, -2”.

Mostrar solução

61.

Mostrar solução

63.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 6” and “ordered pair 6, 0”.

Mostrar solução

65.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, -3” and “ordered pair -3, 0”.

Mostrar solução

67.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, -2” and “ordered pair 2, 0”.

Mostrar solução

69.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 1” and “ordered pair 8, 8”.

Mostrar solução

71.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair -4, 0” and “ordered pair 0, 4”.

Mostrar solução

73.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair -5, 0” and “ordered pair 0, -5”.

Mostrar solução

75.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 4, -4” and “ordered pair 0, 8”.

Mostrar solução

77.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, -3” and “ordered pair 2, -7”.

Mostrar solução

79.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 4” and “ordered pair 6, 0”.

Mostrar solução

81.

Mostrar solução

83.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A vertical line passes through the points “ordered pair 4, 0” and “ordered pair 4, 1”.

Mostrar solução

85.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A vertical line passes through the points “ordered pair -2, 0” and “ordered pair -2, 1”.

Mostrar solução

87.

Mostrar solução

89.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A horizontal line passes through the points “ordered pair 0, -5” and “ordered pair 1, -5”.

Mostrar solução

91.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A vertical line passes through the points “ordered pair 7 over 3, 0” and “ordered pair 7 over 3 , 1”.

Mostrar solução

93.

Mostrar solução

94.

Mostrar solução

95.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A horizontal line passes through “ordered pair 0, 2” and “ordered pair 1, 2” . A second line passes through “ordered pair 0, 0” and “ordered pair 1, 2” . The two lines intersect at “ordered pair 1, 2”.

Mostrar solução

97.

Mostrar solução

98.

Mostrar solução

99.

Mostrar solução

100.

Mostrar solução

101.

Mostrar solução

102.

Mostrar solução

103.

Mostrar solução

104.

Mostrar solução

105.

Mostrar solução

106.

Mostrar solução

107.

Mostrar solução

108.

Mostrar solução

109.

Mostrar solução

110.

Mostrar solução

111.

Mostrar solução

112.

Mostrar solução

113.

The graph shows the x y-coordinate plane. The x-axis runs from 0 to 1000. The y-axis runs from 0 to 1200. A line passes through the points “ordered pair 0, 594” and “ordered pair 800, 850”.

$722, $850, $978

Mostrar solução

115.

Answers will vary.

Section 11.3 Exercises

Mostrar solução

117.

(3,0),(0,3)

Mostrar solução

119.

(5,0),(0,−5)

Mostrar solução

121.

(−2,0),(0,−2)

Mostrar solução

123.

(−1,0),(0,1)

Mostrar solução

125.

(0,0)

Mostrar solução

127.

(4,0),(0,4)

Mostrar solução

129.

(−2,0),(0,−2)

Mostrar solução

131.

(5,0),(0,−5)

Mostrar solução

133.

(−3,0),(0,3)

Mostrar solução

135.

(8,0),(0,4)

Mostrar solução

137.

(2,0),(0,6)

Mostrar solução

139.

(12,0),(0,−4)

Mostrar solução

141.

(2,0),(0,−8)

Mostrar solução

143.

(5,0),(0,2)

Mostrar solução

145.

(4,0),(0,−6)

Mostrar solução

147.

(3,0),(0,−1)

Mostrar solução

149.

(−10,0),(0,2)

Mostrar solução

151.

(0,0)

Mostrar solução

153.

(0,0)

Mostrar solução

155.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 2” and “ordered pair -10, 0”.

Mostrar solução

157.

Mostrar solução

159.

Mostrar solução

161.

Mostrar solução

163.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, -1” and “ordered pair 1, 0”.

Mostrar solução

165.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 4” and “ordered pair -4, 0”.

Mostrar solução

167.

Mostrar solução

169.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 6” and “ordered pair -2, 0”.

Mostrar solução

171.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 3” and “ordered pair 6, 0”.

Mostrar solução

173.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, -3” and “ordered pair 2, 0”.

Mostrar solução

175.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 4” and “ordered pair -10, 0”.

Mostrar solução

177.

Mostrar solução

179.

The graph shows the x y-coordinate plane. The x and y-axis each run from -12 to 12. A line passes through the points “ordered pair 0, 0” and “ordered pair 2, 2”.

Mostrar solução

181.

vertical line

Mostrar solução

183.

horizontal line

Mostrar solução

185.

plotting points

Mostrar solução

187.

intercepts

Mostrar solução

189.

plotting points

Mostrar solução

191.

horizontal line

Mostrar solução

193.

intercepts

Mostrar solução

195.

plotting points

Mostrar solução

197.

ⓐ (0,1,000),(15,0). ⓑ At (0,1,000) he left Chicago 0 hours ago and has 1,000 miles left to drive. At (15,0) he left Chicago 15 hours ago and has 0 miles left to drive.

Mostrar solução

199.

Answers will vary.

Mostrar solução

201.

Answers will vary.

Section 11.4 Exercises

Mostrar solução

203.

$\frac{1}{4} \frac{1}{4}$

Mostrar solução

205.

$- \frac{3}{2} - \frac{3}{2}$

Mostrar solução

207.

The figure shows a grid of evenly spaced dots. There are 5 rows and 5 columns. There is a rubber band style loop connecting the point in column 2 row 5 and the point in column 5 row 3.

Mostrar solução

209.

The figure shows a grid of evenly spaced dots. There are 5 rows and 5 columns. There is a rubber band style loop connecting the point in column 1 row 4 and the point in column 5 row 3.

Mostrar solução

211.

Mostrar solução

213.

The figure shows a grid of evenly spaced dots. There are 5 rows and 5 columns. There is a rubber band style loop connecting the point in column 1 row 2 and the point in column 4 row 4.

Mostrar solução

215.

$\frac{2}{5} \frac{2}{5}$

Mostrar solução

217.

$\frac{5}{4} \frac{5}{4}$

Mostrar solução

219.

$- \frac{1}{3} - \frac{1}{3}$

Mostrar solução

221.

$- \frac{3}{4} - \frac{3}{4}$

Mostrar solução

223.

$\frac{3}{4} \frac{3}{4}$

Mostrar solução

225.

$- \frac{5}{2} - \frac{5}{2}$

Mostrar solução

227.

$- \frac{2}{3} - \frac{2}{3}$

Mostrar solução

229.

$\frac{1}{4} \frac{1}{4}$

Mostrar solução

231.

Mostrar solução

233.

undefined

Mostrar solução

235.

Mostrar solução

237.

undefined

Mostrar solução

239.

$\frac{5}{2} \frac{5}{2}$

Mostrar solução

241.

$\frac{3}{4} \frac{3}{4}$

Mostrar solução

243.

$- \frac{5}{2} - \frac{5}{2}$

Mostrar solução

245.

$- \frac{8}{5} - \frac{8}{5}$

Mostrar solução

247.

$\frac{7}{3} \frac{7}{3}$

Mostrar solução

249.

−1

Mostrar solução

251.

The graph shows the x y-coordinate plane. The x-axis runs from -12 to 12. The y-axis runs from 12 to -12. A line passes through the points “ordered pair 5, 1” and “ordered pair 1, -2”

Mostrar solução

253.

The graph shows the x y-coordinate plane. The x-axis runs from -12 to 12. The y-axis runs from 12 to -12. A line passes through the points “ordered pair 2, 5” and “ordered pair 5, 4”.

Mostrar solução

255.

The graph shows the x y-coordinate plane. The x-axis runs from -12 to 12. The y-axis runs from 12 to -12. A line passes through the points “ordered pair -3, 4” and “ordered pair -1, 1”.

Mostrar solução

257.

The graph shows the x y-coordinate plane. The x-axis runs from -12 to 12. The y-axis runs from 12 to -12. A line passes through the points “ordered pair 2,0” and “ordered pair -1, -4”.

Mostrar solução

259.

The graph shows the x y-coordinate plane. The x-axis runs from -12 to 12. The y-axis runs from 12 to -12. A line passes through the points “ordered pair 0, 3” and “ordered pair 5, 1”.

Mostrar solução

261.

Mostrar solução

263.

The graph shows the x y-coordinate plane. The x-axis runs from -12 to 12. The y-axis runs from 12 to -12. A line passes through the points “ordered pair -3, 3” and “ordered pair -2, 5”.

Mostrar solução

265.

The graph shows the x y-coordinate plane. The x-axis runs from -12 to 12. The y-axis runs from 12 to -12. A line passes through the points “ordered pair 1, 5” and “ordered pair 2, 2”.

Mostrar solução

267.

$\frac{1}{3} \frac{1}{3}$

Mostrar solução

269.

ⓐ $\frac{3}{50}$ ⓑ $rise = 3; run = 50$

Mostrar solução

271.

ⓐ 288 inches (24 feet)
ⓑ Models will vary.

Mostrar solução

273.

Answers will vary.

Mostrar solução

275.

Answers will vary.

Review Exercises

Mostrar solução

277.

The graph shows the x y-coordinate plane. The x-axis runs from -6 to 6. The y-axis runs from 6 to -6. The points “ordered pair 1,3” and “ordered pair 3,1” are plotted.

Mostrar solução

279.

ⓐ III
ⓑ II
ⓒ IV
ⓐ I

Mostrar solução

281.

ⓐ (5,3)
ⓑ (2,−1)
ⓒ (−3,−2)
ⓓ (−1,4)

Mostrar solução

283.

ⓐ (2,0)
ⓑ (0,−5)
ⓒ (−4,0)
ⓓ (0,3)

Mostrar solução

285.

ⓑ,ⓒ

Mostrar solução

287.

$x x$	$y y$	$(x, y) (x, y)$
$00$	$−1 −1$	$(0, −1) (0, −1)$
$11$	$33$	$(1, 3) (1, 3)$
$−2 −2$	$−9 −9$	$(−2, −9) (−2, −9)$

Mostrar solução

289.

$x x$	$y y$	$(x, y) (x, y)$
$55$	$00$	$(5, 0) (5, 0)$
$11$	$22$	$(1, 2) (1, 2)$
$−1 −1$	$33$	$(−1, 3) (−1, 3)$

Mostrar solução

291.

Answers will vary.

Mostrar solução

293.

Answers will vary.

Mostrar solução

295.

Mostrar solução

297.

The graph shows the x y-coordinate plane. Each axis runs from -6 to 6. A line passes through the points “ordered pair 1, 1” and “ordered pair 0, -3”.

Mostrar solução

299.

The graph shows the x y-coordinate plane. Each axis runs from -6 to 6. A line passes through the points “ordered pair 1, 5” and “ordered pair 0, 7”.

Mostrar solução

301.

The graph shows the x y-coordinate plane. Each axis runs from -6 to 6. A vertical line passes through the point “ordered pair 0, 3”.

Mostrar solução

303.

(0,3) (3,0)

Mostrar solução

305.

(−1,0) (0,1)

Mostrar solução

307.

(0,0)

Mostrar solução

309.

This answer graph shows the x y-coordinate plane. The x and y-axis each run from -6 to 6. The equation x plus y equals -2 is shown. A line passes through the intercepts with coordinates 0, –2 and –2, 0.

Mostrar solução

311.

horizontal line

Mostrar solução

313.

intercepts

Mostrar solução

315.

plotting points

Mostrar solução

317.

$\frac{4}{3} \frac{4}{3}$

Mostrar solução

319.

$- \frac{2}{3} - \frac{2}{3}$

Mostrar solução

321.

The figure shows a grid of evenly spaced dots. There are 5 rows and 5 columns. There is a rubber band style loop connecting the point in column 1 row 5 and the point in column 3 row 2.

Mostrar solução

323.

Mostrar solução

325.

Mostrar solução

327.

$- \frac{1}{2} - \frac{1}{2}$

Mostrar solução

329.

undefined

Mostrar solução

331.

Mostrar solução

333.

−4

Mostrar solução

335.

$\frac{1}{2} \frac{1}{2}$

Mostrar solução

337.

The graph shows the x y-coordinate plane. The x-axis runs from -6 to 6. The y-axis runs from -4 to 2. A line passes through the points “ordered pair -3, 4” and “ordered pair 1, 3”.

Practice Test

Mostrar solução

339.

The graph shows the x y-coordinate plane. The axes extend from -6 to 6. a is plotted at 2, 5, b at -1, -3, c at -4, 0, d at 3, -5, and e at -2,1.

Mostrar solução

341.

(4,0), (0,−2)

Mostrar solução

343.

no; 1 + 4 · 3 ≠ 12

Mostrar solução

345.

$x x$	$y y$	$(x, y) (x, y)$
$00$	$88$	$(0, 8) (0, 8)$
$22$	$00$	$(2, 0) (2, 0)$
$33$	$−4 −4$	$(3, −4) (3, −4)$

Mostrar solução

347.

The graph shows the x y-coordinate plane. The x-axis runs from -6 to 6. The y-axis runs from -6 to 6. A line passes through the points “ordered pair 0, -2” and “ordered pair -3, 0”.

Mostrar solução

349.

$- \frac{5}{2} - \frac{5}{2}$

Mostrar solução

351.

Mostrar solução

353.

$\frac{1}{50} \frac{1}{50}$