CCSS.Math.Content.HSF.BF.A.2

The next term of the series 4,16,64 is

• 256
• 132
• 120
• 150

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CCSS.Math.Content.HSF.BF.A.2

This image shows how a certain bacteria grows in a petri dish. What is the common ratio of this sequence?

• 4
• 3
• 2
• 6

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CCSS.Math.Content.HSF.BF.A.2

Find the 32nd term of this sequence.
9, 4, -1, -6, -11, ...

• 81
• -34
• -146
• -225

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CCSS.Math.Content.HSF.BF.A.2

Is the sequence 2, 4, 12, 48,... geometric?

• yes
• no

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CCSS.Math.Content.HSF.BF.A.2

Geometric sequences involve

• multiplication and division
• multiplication and addition
• addition and subtraction
• subtraction and division

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CCSS.Math.Content.HSF.BF.A.2

For each sequence, state if it is arithmetic, geometric, or neither.
−34, −26, −18, −10, −2, ... 

• Arithmetic
• Geometric
• Neither

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CCSS.Math.Content.HSF.BF.A.2

Find the common ratio for the geometric sequence.

• 10
• 1/2
• 2
• 4

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CCSS.Math.Content.HSF.BF.A.2

Given the recursive formula, find the first four terms:
a_n = a_n-1 + 5
a₁ = -16

• -16, -21, -26, -31
• 5, -11, -27, -43
• -16, -80, -500, -200
• -16, -11, -6, -1

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CCSS.Math.Content.HSF.BF.A.2

This is an arithmetic sequence. 5, 2, –1, –4, . . .

What is a₇ ?

• -13

• -11

• -18

• -22

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CCSS.Math.Content.HSF.BF.A.2

What is the difference between an arithmetic sequence and a geometric sequence?

• One is the sum of the numbers and one is just a list of numbers.

• One has a common difference and one has a common ratio.

• One you can write an nth term and one you cannot.

• None of these are correct.

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CCSS.Math.Content.HSF.BF.A.2