CCSS.Math.Content.HSF.LE.A.2

Solve the equation.
4^x+1 = 8^2x–3

• x = –7/4
• x = –4/11
• x = 11/4
• x = 7/11

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CCSS.Math.Content.HSF.LE.A.2

Find the common ratio: 4, -16, 64, -256, ...

• r = -4
• r = 2
• r = -2
• r = 4

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CCSS.Math.Content.HSF.LE.A.2

Find the 10th term.

• 16
• 12
• 21
• 30

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CCSS.Math.Content.HSF.LE.A.2

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

• y=5000(0.7)^x
• y=30(5000)^x
• y=5000(1.3)^x
• y=5000x^x

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CCSS.Math.Content.HSF.LE.A.2

Choose the correct answer from the given four options:
The 21st term of the AP whose first two terms are –3 and 4 is

• 17
• 137
• -137
• 127

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CCSS.Math.Content.HSF.LE.A.2

Daniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates at a rate of 5%. How much will the printer be worth in 8 years?

• $23,219.72

• $136.72

• $51,710.94

• $16,710.94

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CCSS.Math.Content.HSF.LE.A.2

What does the number 1,024 stand for?

• Decay Factor

• Growth Rate

• Percent

• Starting Value

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CCSS.Math.Content.HSF.LE.A.2

Given the sequence:

25, 21, 17, 13,...

Write the explicit equation that models the sequence. HINT: It is an arithmetic Sequence

• a_n = 4n + 29

• a_n = - 4n + 25

• a_n = - 4n + 29

• a_n = 4n + 25

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CCSS.Math.Content.HSF.LE.A.2

What is the common ration of 9,-36, and144

• -47
• 4
• -4
• 27

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CCSS.Math.Content.HSF.LE.A.2

Which of the following functions represents an initial amount of $15 and an increase of 35% each year?

• $y=15\left(35\right)^t$

• $y=15\left(0.35\right)^t$

• $y=15\left(1.35\right)^t$

• $y=35\left(1.15\right)^t$

• $y=15\left(135\right)^t$

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CCSS.Math.Content.HSF.LE.A.2