Constant Rate of Change

What is the rate of change?

Mathematical Equivalence

ON

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CCSS.8.F.B.4

CCSS.HSF.IF.B.6

y = 60x

• y = 60x

• y = 40x

• y = 80x

• y = 20x

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CCSS.8.EE.B.5

Which company shows a greater rate of change?

• Water's Edge Rafts

• Ryan's Rafts

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What is the constant rate of change?

• Not here.

• $80 per month.

• $82 per month.

• $41 per month.

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CCSS.HSF-LE.A.1B

The table shows the cost of long distance calls based on the number of minutes used. Is there a constant rate of change, and if so what is it?

• Yes, 10 calls per minute

• Yes, $.10 per minute

• Yes, $.40 per minute

• Not a constant rate

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CCSS.HSF-LE.A.1B

JoAnne is depositing money into a bank account. After 3 months there is $150 in the account. After 6 months, there is $300 in the account. Find the constant rate of change of the account.

• $50 per month

• $150 per month

• $100 per month

• $75 per month

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CCSS.HSF-LE.A.1B

Find the constant rate of change for this graph.

• 2 lb per person

• 1 lb per person

• 3 lb per person

• 4 lb per person

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CCSS.HSF-LE.A.1B

Which statement best describes the rate of change?

• Taylor can write 6 words per minute

• Taylor can write 25 words per minute

• Taylor can write 50 words per minute

• Taylor can write 150 words per minute

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CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Which statement best describes the number of cans Danny drinks per week?

• 2 cans per week

• 5 cans per week

• 10 cans per week

• 20 cans per week

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CCSS.8.EE.B.5

Write an equation in slope-intercept form for the following graph.

• y=120x+2

• y=1x+0

• y=60x

• y=x+60

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CCSS.8.EE.B.6

CCSS.8.F.A.3