Unit/Cluster 4 test

Identify the domain of the following relation:

• -6, 14, 2, 28

• (-6,14), (0,32), (2,38), (4,44)

• -6, 0, 2, 4

• 14, 32, 38, 44

Does the graph represent a function?

• Yes, because the vertical line test shows there are no repeating input values

• No, because the vertical line test shows there are repeating input values

Write the equation for the line in slope-intercept form.

• A

• B

• C

• D

Graph the proportional relationship and interpret the unit rate as the slope of the graph. If a car travels 60 miles in 1 hour, what is the slope of the graph representing this relationship?

• 30

• 60

• 1

• 0.5

Find the slope of the line that passes through the points (10, 1) and (5, 2).

• 5

• -5

• 4

• -7

• 7

• 4x

Construct a function to model a linear relationship between two quantities. If a plant grows 3 cm every day and starts at 5 cm, what is the equation of the function in slope-intercept form?

Slope is ________.

• Positive
• Negative
• Zero
• Undefined

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3