Geometric Sequences

Question 1

What is the common difference in the following arithmetic sequence? 7, 3, –1, –5, ....

Revolt · Accepted Answer

–4

Question 2

What is the explicit formula for the arithmetic sequence in the table below?n12345an9.27.45.63.82

Revolt · Accepted Answer

mc015-4.jpg

Question 3

Which of the following is true about the sequence graphed below?

Revolt · Accepted Answer

The sequence is arithmetic because the terms have a common difference.

Question 4

The explicit rule for an arithmetic sequence is . What is the value of the 89th term?

Revolt · Accepted Answer

mc024-3.jpg

Question 5

What is the common difference in the following arithmetic sequence? 2.8, 4.4, 6, 7.6, ...

Revolt · Accepted Answer

1.6

Question 6

What is the common difference in the following arithmetic sequence? nan1–122–1310421

Revolt · Accepted Answer

11

Question 7

The second term of an arithmetic sequence is –39. The rule can be used to find the next term of the sequence. What is the explicit rule for the arithmetic sequence?

Revolt · Accepted Answer

mc014-2.jpg

Question 8

Which of the following is an arithmetic sequence?

Revolt · Accepted Answer

–15.6, –12.9, –10.2, –7.5, –4.8, ...

Question 9

What is the common difference of the arithmetic sequence graphed below?

Revolt · Accepted Answer

mc007-3.jpg

Question 10

Which of the following is true regarding the sequence graphed below?

Revolt · Accepted Answer

The sequence is not arithmetic because the terms do not have a common difference.

Geometric Sequences Answers

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