Geometric Sequences

Question 1

Which sequences are geometric? Check all that apply.10, 7.5, 5.625, 4.21875, …160, 40, 10, 2.5, …20, 70, 245, 857.5, …13, 16.5, 20, 23.5, … 5, 5.5, 6.05, 6.655, …16, 17.1, 18.2, 19.3, …

Revolt · Accepted Answer

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Question 2

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125

Question 3

Question 3

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B: ; C:

Question 4

Which statements are true regarding the sequence below? Check all that apply.It can be represented using the formula f(x + 1) = (f(x)) when f(1) = .It can be represented using the formula .It can be represented using the formula .The domain of the sequence is all real numbers. The range of the sequence is all natural numbers.

Revolt · Accepted Answer

A: It can be represented using the formula f(x + 1) = (f(x)) when f(1) = .; C: It can be represented using the formula .

Question 5

Which statements are true for the given geometric sequence? Check all that apply.

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A: The domain is the set of natural numbers.; C: The recursive formula representing the sequence is f(x + 1) = (f(x )) when f(1) = 4.; E: The sequence shows exponential growth.

Question 6

Which sequence can be generated from the formula f(x + 1) = (f(x))?

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C:

Question 7

A bouncing ball reaches a height of 54 inches at its first peak, 36 inches at its second peak, and 24 inches at its third peak. Which formula represents this scenario?

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B: f(x) = 54

Question 8

Shanna writes the formula f(x + 1) = 2.5f(x) when f(1) = 2 to represent this sequence: 2, 5, 12.5, 31.25, …Which error did Shanna make?

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C: She should have multiplied by f(x) rather then have it as an exponent.

Question 9

A sequence has a common ratio of and f(5) = 81. Which explicit formula represents the sequence?

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B: f(x) = 16

Question 10

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5

Geometric Sequences Answers

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