Sequences and Series Quiz Review

2, -4, 8, -16, ...

Is this sequence arithmetic, geometric, or neither?

• arithmetic

• geometric

• neither

2, 5, 8, 11,...

• Arithmetic

• Geometric

• Neither

Find the 22nd term of the following sequence:
5, 8, 11, ...

• 14
• 68
• 63
• 71

What is the 14th term of the geometric sequence?

• 14,348,907
• 4,782,969
• 1,594,323
• 45

Find a₁₂ in the sequence -1, -3, -9, -27, ...

• -177,147
• -19,683
• -59,049
• 118,098

Find the sum:  2 + 6 + 18 + 54 + ….for the first 14 terms

• 4,782,968
• 1,594,323
• 2,391,484

Determine the sum of the first 10 terms in the arithmetic series:

5 + 8 + 11 + . . .

• 32

• 185

• 98415

• 205

Find the sum of the first 7 terms of the series below:

4 + 8 + 16 + 32...

• 195
• 508

• 112

• 145

Find the sum of the infinite geometric series:

200 - 100 + 50 - 25 + ...

• 525 / 2

• 400 / 3

• 3 / 400

• 2 / 525

Evaluate the series.

• 36
• 85
• 35
• 86