Test Unit 1B

What is the rate of change (slope)?

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CCSS.8.EE.B.6

How many squares are in figure 6?

How many circles are in step 0?

Fill in the chart.

Write the answers for A, B, then C with a comma and space between each answer.

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CCSS.5.OA.B.3

Write an equation to represent the number

of cylinders (y) in a given step (x).

Write answer in the form y=mx+b.

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Fill in the blank.

This graph shows __ correlation.

• positive

• negative

• no

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CCSS.HSS.ID.B.5

Fill in the blank.

This graph shows __ correlation.

• positive

• negative

• no

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CCSS.HSS.ID.B.5

Ari recorded the daily high temperature (in Celsius) and total sales from his ice cream shop for 12 days. He

plotted the data on the graph below and drew a line of best fit.

Based on the line of best fit that Ari drew, approximately how much money in sales should he expect when

the temperature is 21°C?

Remember to include $ and comma (if necessary).

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CCSS.8.EE.C.8B

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CCSS.8.EE.C.8B