Generating the rule of the sequence

Which of the following is the expressions you could use to find figure n of the sequence 4, 11, 18, ...?

• 7n + 3

• 7n - 3

• 4n - 7

• 4n + 7

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CCSS.HSF.BF.A.2

The common difference of the sequence -12, -10, -8, -6, -4,...

• 2

• -2

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CCSS.HSF.BF.A.2

If the expression in figure n is 3n - 2, what is the number in figure 7?

• 21

• 8

• 19

• 35

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CCSS.HSF.IF.A.2

What is the common difference of the sequence 5, 8, 11, 14, ...?

• 3

• -3

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CCSS.HSF.BF.A.2

If the expression in figure n is 4n + 1, what is the number in figure 5?

• 21

• 17

• 25

• 13

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CCSS.HSF.BF.A.2

Which of the following expressions could be used to find figure n of the sequence 3, 6, 9, ...?

• 3n

• 3n + 3

• 3n - 3

• n + 3

Tags

CCSS.HSF.BF.A.2

In the sequence 1, 4, 9, 16,... the 11th figure is ____.

• 25

• 36

• 100

• 121

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CCSS.HSF.BF.A.2

The sequence 8, 6, 4, 2, ...is an arithmetic sequence, show how to find the common difference.

• 6 - 8 = -2

• 8 - 6 = 2

• 8 - 4 = 2

• 2 - 6 = -4

Tags

CCSS.HSF.BF.A.2

Write the expression to describe the sequence 1, 4, 9, 16, 25, ...

• 2n

• n

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CCSS.HSF.BF.A.2

The formula for arithmetic sequence is _____

• n(n+1)

• n^2

• n(n+1)/2

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CCSS.HSF.BF.A.2