Precalculus Review Unit 4 Quiz 1

Write the explicit rule for the sequence.

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CCSS.HSF.LE.A.2

Find the common ratio: 64, -16, 4, -1, ...

• r = -8
• r = -1/4
• r = -4
• r = 4

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CCSS.HSF.BF.A.2

Determine whether the sequence is arithmetic, geometric, or neither.

• arithmetic
• geometric
• neither

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CCSS.HSF.BF.A.2

Find the 35th term in the arithmetic sequence: -10, -14, -18, -22, ...

• -216
• -148
• -146
• -150

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CCSS.HSF.BF.A.2

A sequence is given below.

2, 9, 16, 23, ...

Which is the explicit formula for the n^th term a_n?

• a_n = -7n+9

• a_n = 7n-5

• a_n = 7n-9

• a_n = -7n+5

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CCSS.HSF.BF.A.2

What is the 7^th term of the following sequence?

3, 12, 48, 192, ...

• 28679

• 19208

• 12288

• 49152

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CCSS.HSF.BF.A.2

• 17

• 68

• -68

• -17

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CCSS.HSF.BF.A.2

• -6

• 6

• 12/30

• 30/12

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CCSS.HSF.BF.A.2

• 783

• 2349

• 3

• 1044

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CCSS.HSF.BF.A.2

Write the equation of a linear function that passes through (2, 28) and (7, 8).

• y = -4(x-2) + 28

• y = 4(x-2)+28

• y = -20(x-2) + 28

• y = -20(x-28) + 4