Topic 2 Linear Equations Study Guide

Which graph is y= -4x - 1?

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Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Which of the following is an equation of the line through (2, 3) and (-1, -12)?

• y= 5x - 7

• y = 1/5x + 13/5

• y = -1/5x + 17/5

• y = -5x + 7

Tags

CCSS.HSA.CED.A.2

Yuson must complete 30 hours of community service. She does 2 hours each day. Write a linear equation to represent the hours Yuson has left after x days.

• y = 15x

• 2x - y = 30

• y = 30 - 2x

• y = 2x - 30

Tags

CCSS.6.EE.C.9

For the graph of the equation you wrote in Item 3, what does the y-intercept represent?

• days it takes to complete 30 hours

• total hours of service

• hours left to complete

• hours completed each day

Tags

CCSS.8.EE.B.5

What is an equation of the horizontal line that passes through (5, -7)?

• x = 5

• x = -7

• y = 5

• y = -7

Tags

CCSS.HSA.REI.D.10

For which values of A, B, and C will Ax + By = C be a vertical line through the point (8, 6)?

• A = 1, B = 0, C = 6

• A = 1, B = 0, C = 8

• A = 0, B = 1, C = 6

• A = 0, B = 1, C = 8

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

What is an equation in point-slope form of the line shown in the graph, using the point (2, 2)?

• y = -3x + 8

• y + 2 = 2(x - 3)

• y - 2 = -3(x - 2)

• y + 2 = -3(x + 2)

What is an equation in point-slope form of the line that passes through the point (4, -1) and has a slope of 6?

• y + 1 = 6(x - 4)

• y + 1 = -6(x - 4)

• y - 1 = 6(x + 4)

• y - 1 = -6(x + 4)

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5

What is an equation in point-slope form of the line that passes through (-7, 1) and (-3, 9)?

• y + 3 = 2(x - 9)

• y - 3 = 2(x + 9)

• y + 9 = 2(x -3)

• y - 9 = 2(x + 3)

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5

What is the x-intercept and y-intercept for the graph of 4x + 3y = -24?

• x-intercept is -8 and y-intercept is 4

• x -intercept is 6 and the y-intercept is -24

• x-intercept is -6 and y-intercept is -8

• x - intercept is 4 and y-intercept is 3

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10