1. Find an equation for the nth term of the arithmetic sequence.

a19 = -92, a20 = 6

A. an = -1856 + 98(n - 1)

B. an = -1856 - 98(n - 1)

C. an = -1856 - 98(n + 1)

D. an = -1856 + 98(n + 1)

2. Determine whether the sequence converges or diverges. If it converges, give the limit.

48, 12, 3, three divided by four, ...

A. Converges; 64

B. Diverges

C. Converges; -4080

D. Converges; 0

3. Find an equation for the nth term of the arithmetic sequence.

-13, -8, -3, 2, ...

A. an = -13 x 5(n - 1)

B. an = -13 + 5(n - 1)

C. an = -13 + 5(n + 2)

D. an = -13 + 5(n + 1)

4. Find the first six terms of the sequence.

a1 = -1, an = 2 an-1

A. -2, -4, -8, -16, -32, -64

B.-1, -2, -4, -8, -16, -32

C. -1, -2, 0, 2, 4, 6

D. 0, 2, -2, 0, 2, 4

5. Find the sum of the geometric sequence.

4 divided by 3, 8 divided by 3, 16 divided by 3, 32 divided by 3, 64 divided by 3

A. 122 divided by 3

B. 124 divided by 3

D. 124 divided by 15

C. 122 divided by 15

6. Write the sum using summation notation, assuming the suggested pattern continues.

729 + 1000 + 1331 + 1728 + ... + n3

A. summation of the quantity n minus 1 cubed from n equals 9 to infinity

B. summation of n cubed from n equals 10 to infinity

C. summation of the quantity n plus 1 cubed from n equals 9 to infinity

D. summation of n cubed from n equals 9 to infinity