Unit 6 Linear Relationships Test

1. A graphed line has a slope of -3. Which of the following sets of ordered pairs could the graphed line pass through?

• A. (12, 4) and (-9, -3)
• B. (-5, 19) and (2, -2)
• C. (-1, -13) and (5, 5)
• D. (-3, 9) and (-3, 7)

Tags

CCSS.8.EE.B.5

2. Write an equation in slope-intercept form of the line that passes through the points (2, 15) and (5, 21).

(a)  

3. Which graph represents a linear function with an x-intercept of -6 and a y-intercept of 4?

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Tags

CCSS.HSF-IF.C.7A

4. The table shows the linear relationship between the minutes since it began raining and the inches of water in a dog bowl outside. What is the rate of change of the inches of water with respect to the minutes since it began raining?

• A. 1.5 in/min
• B. 0.75 in/min
• C. 2 in/min
• D. 0.5 in/min

Tags

CCSS.HSF.IF.B.4

5. Which equation best represents the linear relationship shown?

• A. y − 3 = 3(x − 2)
• B. y + 3 = 3(x + 2)
• C. y − 6 = -3(x − 1)
• D. y + 6 = -3(x + 1)

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Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The graph of a linear relationship is shown. Find the rate of change of y with respect to x.

(a)  

Tags

CCSS.HSF-LE.A.1B

8. Which linear inequality is represented by the graph below?

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CCSS.HSA.REI.D.12

9. The graph shows the number of liters of tea in a drink dispenser at a restaurant based on the number of minutes since the restaurant opened. Find the average rate of change between 12 and 24 minutes.

• A. -1.3 liters/min
• B. -0.75 liters/min
• C. -4 liters/min
• D. -0.25 liters/min

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

10. The graph of the equation 2x + 3y = 12 is shown below. Which ordered pair is included in the solution set of 2x + 3y < 12?

• A. (2, 1)
• B. (0, 4)
• C. (3, 3)
• D. (-2, 6)