CCSS.Math.Content.8.F.B.4

Is the given table a direct variation? If so, what is the constant of variation?

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

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CCSS.Math.Content.8.F.B.4

Identify the common difference.
3, 7, 11, 15, ...

• 6
• 5
• 4
• 2

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CCSS.Math.Content.8.F.B.4

Rich is a member of a gym. He pays a monthly fee plus a per-visit fee. The equation below represents the monthly amount Rich pays for his membership to the gym per month for x visits.
y=3x+10
What does the y-intercept of the graph of this equation represent?

• The monthly fee
• How much Rich pays per visit
• The number of times Rich goes to the gym
• The total cost at the end of the month

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CCSS.Math.Content.8.F.B.4

What is the y-intercept of this graph?

• (0,1)
• (0,-2)
• (0,0)
• (0,3)

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CCSS.Math.Content.8.F.B.4

Find the slope of the line.

• Undefined
• 0
• 1
• -1

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CCSS.Math.Content.8.F.B.4

CCSS.Math.Content.8.EE.B.6

The chart below tracts starting salaries for health care workers since the year 2000. Using linear regression, find the equation of best fit. Round decimals to 3 places.

• y = 839.721x + 27541.812
• y = 27541.812x - 839.721
• y = 27541.812x + 839.721
• y = 839.721x - 27541.812

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CCSS.Math.Content.8.F.B.4

How much money would you make in 6 hours?

• $44
• $9
• $54
• $45

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CCSS.Math.Content.8.F.B.4

16, 23, 30, 37, ...
27th Term

• 104
• 182
• 198
• 205

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CCSS.Math.Content.8.F.B.4

Is the sequence arithmetic: 37, 31, 25, 19, ...

• Yes
• No

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CCSS.Math.Content.8.F.B.4

Calculate the average rate of change from 20 to 40 minutes.

• -2 minutes per gallon

• -20 minutes per gallon

• -2 gallons per minute

• -20 gallons per minute

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CCSS.Math.Content.8.F.B.4