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

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

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

Given the sequence:
 25, 21, 17, 13,...
Write the explicit equation that models the sequence.  (Hint:  Simplify your equation.)

• a_n = 4n + 29
• a_n = -4n + 25
• a_n = -4n + 29
• a_n = 4n + 25

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

Is function represented by the table linear or nonlinear?

• linear
• nonlinear

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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

CCSS.Math.Content.HSS.ID.C.7

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

• 1/5
• -1/5
• 5
• -5

Tags

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

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

Which of the following are ways to find the rate of change?

• change in y over change in x
• rise over run
• subtract y coordinates over subtract x coordinates
• all of the above

Tags

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

Tags

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

What is the constant of proportionality (in miles per hour) based on the table?

• 45
• 90
• 135
• 2

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

CCSS.Math.Content.8.EE.B.5

Find the slope when given (2, 3) (3, 5)

• 1/2
• 2
• -2
• 4

Tags

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

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

The function y = 125(1.13)^x represents Mr. Gantz's recent investments where x is measured in years.  Which is NOT true?

• Mr. Gantz initial invested $125
• Mr. Gantz's money grows by 13% per year
• After 4 years Mr. Gantz will have about $203.81
• Mr. Gantz earns more money in year one than in year 5

Tags

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