Unit 8 Test Review - Linear Relationships

Which of the following does NOT have a y-intercept of 1?

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Solve the system by graphing:

x = -3

y = -2x - 3

• (0, 3)

• (-3, 3)

• (-3, 5)

• No Solultion

Tags

CCSS.8.EE.C.8B

Solve the system of equations.

(You can graph by hand or use your calculator!)

• (3, 5)

• (-3, 4)

• (0, 2)

• (2, 2)

Tags

CCSS.8.EE.C.8B

Which equation would best define the line of best fit?

• y = 2x - 22

• y = 2x + 22

• y = -2x + 22

• y = -2x - 22

Which scatterplot has a positive trend?

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Tags

CCSS.HSF-LE.A.1B

Which of the following would have a negative association?

• Number of absences and class grade

• Time saving money and amount of money in the account

• The age of a person and their IQ

• Amount of rain and growth of grass

Tags

CCSS.HSF-LE.A.1B

Which statement is true about this graph?

• The y-intercept is 2 and the slope is 2.

• The y-intercept is 2 and the slope is -2.

• The y-intercept is 2 and the slope is 1/2.

• The y-intercept is is 1/2 and the slope is -2.

Tags

CCSS.8.EE.B.5

Which graph has a slope of 3/2 and goes through the point (-1, -7)?

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Find the slope between the points (20, 8) and (9, 16).

• -8/11

• 8/11

• 11/8

• -11/8

Tags

CCSS.8.EE.B.5

What is the slope of the equation

y = -4x + 2?

• 2

• -4

• 4

• 8

Tags

CCSS.8.EE.B.5