Contents

Practice Test

339.

Plot and label these points:

ⓐ $(2, 5)$
ⓑ $(−1, −3)$
ⓒ $(−4, 0)$
ⓓ $(3, −5)$
ⓔ $(−2, 1)$

340.

Name the ordered pair for each point shown.

The graph shows the x y-coordinate plane. The axes extend from -7 to 7. A is plotted at -4, 1, B at 3, 2, C at 0, -2, D at -1, -4, and E at 4,-3.

341.

Find the $x -intercept x -intercept$ and $y -intercept y -intercept$ on the line shown.

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 4, 0” and “ordered pair 0, -2”.

342.

Find the $x -intercept x -intercept$ and $y -intercept y -intercept$ of the equation $3 x - y = 6 . 3 x - y = 6 .$

343.

Is $(1, 3) (1, 3)$ a solution to the equation $x + 4 y = 12 ? x + 4 y = 12 ?$ How do you know?

344.

Complete the table to find four solutions to the equation $y = - x + 1 . y = - x + 1 .$

$x x$	$y y$	$(x, y) (x, y)$
$00$
$11$
$33$
$−2 −2$

345.

Complete the table to find three solutions to the equation $4 x + y = 8 4 x + y = 8$

$x x$	$y y$	$(x, y) (x, y)$
$00$
	$00$
$33$

In the following exercises, find three solutions to each equation and then graph each line.

346.

$y = −3 x y = −3 x$

347.

$2 x + 3 y = −6 2 x + 3 y = −6$

In the following exercises, find the slope of each line.

348.

The graph shows the x y-coordinate plane. The axes run from -7 to 7. The y-axis runs from -5 to -4. A line passes through the points “ordered pair 6, 4” and “ordered pair 0, -3”.

349.

The graph shows the x y-coordinate plane. The axes run from -7 to 7. A line passes through the points “ordered pair 3, 0” and “ordered pair 1, 5”.

350.

Use the slope formula to find the slope of the line between $(0, −4) (0, −4)$ and $(5, 2) . (5, 2) .$

351.

Find the slope of the line $y = 2 . y = 2 .$

352.

Graph the line passing through $(1, 1) (1, 1)$ with slope $m = \frac{3}{2} . m = \frac{3}{2} .$

353.

A bicycle route climbs $2020$ feet for $1,000 1,000$ feet of horizontal distance. What is the slope of the route?

Chapter Review

Exercises

Key Terms

Key Concepts

Exercises

4.6

Add and Subtract Mixed Numbers

4.7Solve Equations with Fractions

Chapter Review

Exercises

5.7

Simplify and Use Square Roots

Chapter Review

Exercises

Key Terms

Key Concepts

Exercises

9.6

Solve Geometry Applications: Volume and Surface Area

9.7Solve a Formula for a Specific Variable

Chapter Review

Exercises

Introduction to Factoring Polynomials

Chapter Review

Exercises

Key Concepts

Exercises

Chapter 9

Chapter 10

Chapter 11