Arithmetic and Geometric Sequence Review

Find the number of terms (n) in the geometric sequence 6, 12, 24, ..., 1536.

Evaluate the arithmetic series described:
2 + (-2) + (-6) + (-10)..., S₁₀

• -160

• -328

• -320

• -336

Find the sum of the finite geometric series:

• 88419

• 78124

• 91846

• 92234

• 18

• 17

• 15

• 14

A geometric series begins with 4, ends with 1/64, and has a common ratio of one half. Which geometric series is correct?

• 4+2+1+1/2+1/4+1/8+1/16+1/32+1/64

• 4-2+1-1/2+1/4-1/8+1/16-1/32+1/64

• 4+2+1/2+1/4+1/8+1/16+1/32+1/64

• 4+2+1+1/2+1/4+1/16+1/64

Name the Sequence:

18, 22, 26, 30, 34.....

• A. Arithmetic

• B. Geometric

• C. Recursive

• D. Explicit

Which kind of sequence has a common difference?

• Arithmetic

• Geometric

Is this sequence arithmetic, geometric, or neither?
{26, 22, 18, 14, ...}

• Arithmetic

• Geometric

• Neither

Which kind of sequence has a common ratio?

• Arithmetic

• Geometric