Gráficos e retas

140 problemas com soluções resolvidas, de Prealgebra, Elementary Algebra, Algebra and Trigonometry e Precalculus.

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Prealgebra11.1 Use the Rectangular Coordinate System

Exemplo 11.1Use the map in Figure 11.2. ⓐ Find the grid section of the Residence Halls. ⓑ What is located in grid section 4C?Mais um parecido para tentar
Exemplo 11.2Plot (1,3) and (3,1) in the same rectangular coordinate system.Mais um parecido para tentar
Exemplo 11.3Plot each point in the rectangular coordinate system and identify the quadrant in which the point is located: ⓐ(−1,3)ⓑ(−3,−4)ⓒ(2,−3)ⓓ(3,5/2)Mais um parecido para tentar
Exemplo 11.4Plot each point: ⓐ(−5,2)ⓑ(−5,−2)ⓒ(5,2)ⓓ(5,−2)Mais um parecido para tentar
Exemplo 11.5Plot each point on a coordinate grid: ⓐ(0,5)ⓑ(4,0)ⓒ(−3,0)ⓓ(0,0)ⓔ(0,−1)Mais um parecido para tentar
Exemplo 11.6Name the ordered pair of each point shown:Com figuraMais um parecido para tentar
Exemplo 11.8Determine which ordered pairs are solutions of the equation x+4y=8: ⓐ(0,2)ⓑ(2,−4)ⓒ(−4,3)Mais um parecido para tentar
Exemplo 11.9Determine which ordered pairs are solutions of the equation. y=5x−1: ⓐ(0,−1)ⓑ(1,4)ⓒ(−2,−7)Mais um parecido para tentar
Exemplo 11.10Complete the table to find three solutions to the equation y=4x−2: y=4x−2 x y (x,y) 0 −1 2Mais um parecido para tentar
Exemplo 11.11Complete the table to find three solutions to the equation 5x−4y=20: 5x−4y=20 x y (x,y) 0 0 5Mais um parecido para tentar
Exemplo 11.12Find a solution to the equation 3x+2y=6.Mais um parecido para tentar
Exemplo 11.13Find three more solutions to the equation 3x+2y=6.Mais um parecido para tentar
Exemplo 11.14Find three solutions to the equation x−4y=8.Mais um parecido para tentar

Prealgebra11.2 Graphing Linear Equations

Prealgebra11.3 Graphing with Intercepts

Prealgebra11.4 Understand Slope of a Line

Elementary Algebra4.1 Use the Rectangular Coordinate System

Elementary Algebra4.2 Graph Linear Equations in Two Variables

Elementary Algebra4.3 Graph with Intercepts

Elementary Algebra4.4 Understand Slope of a Line

Elementary Algebra4.5 Use the Slope–Intercept Form of an Equation of a Line

Elementary Algebra4.6 Find the Equation of a Line

Elementary Algebra4.7 Graphs of Linear Inequalities

Algebra and Trigonometry4.1 Linear Functions

Algebra and Trigonometry4.2 Modeling with Linear Functions

Algebra and Trigonometry4.3 Fitting Linear Models to Data

Precalculus2.1 Linear Functions

Precalculus2.2 Graphs of Linear Functions

Precalculus2.4 Fitting Linear Models to Data

Exemplo 4Finding a Least Squares Regression LineFind the least squares regression line using the cricket-chirp data in Table 1.