Unit 4 Test: Writing & Graphing Linear Equations

What is the slope of the line that contains the points (-6, 1) and (4, -4)?

Tags

CCSS.8.EE.B.5

Tags

CCSS.8.EE.B.5

What is the y-intercept of the line whose equation is y = 6x - 3?

• (0, 6)

• (6, 0)

• (-3, 0)

• (0, -3)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which graph represents the line x - y = 3?

• A

• B

• C

• D

Give the x-intercept as an ordered pair (x, y) for the line 10x + 4y = -20 .

Which of the following is an equation of the line that goes through the point (2, -9) and has a slope of 3.

• y - 9 = 3(x + 2)

• y + 9 = 3(x - 2)

• y - 2 = 3(x + 9)

• y + 9 = 2(x - 3)

Mia pays for a basic monthly gym membership. If she wants to take spin classes, she must pay an additional fee for each class she attends during the month. The function below models the monthly membership cost based on Mia taking c classes. M(c) = 6c + 32 What does the 32 represent in the context of this problem?

Tags

CCSS.HSF.LE.B.5

Find the slope.

Tags

CCSS.8.EE.B.5

Write the equation of the line.

• y = -2/3x + 4
• y = 2/3x + 4
• y = 3/2x + 4
• y = -3/2x + 4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

What is the slope?

Tags

CCSS.8.EE.B.5