Arithmetic & Geometric Sequences

Find the common difference:

-34, -29, -24, -19, ...

• d = -5
• d = 5
• d = -6
• d = 6

Find the common difference:
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

Find the next three terms in the sequence: -33, -24, -15, -6, ...

• -1, 7, 15
• -5, 2, 9
• 3, 12, 21
• -65, -73, -81

Find the next three terms in the sequence: -3, -8, -13, -18, ...

• -20, -24, -28
• -21, -25, -29
• -23, -28, -33
• -24, -29, -32

Write the equation that models the sequence.
25, 21, 17, 13, ...

• a_n = 4n + 29
• a_n = -4n + 25
• a_n = -4n + 29
• a_n = 4n + 25

Write the equation that models the sequence.
2, 8, 14, ...

• a_n=2+6n
• a_n=-6+6n
• a_n=6n-4
• a_n=4-6n

Find the 32nd term of this sequence:
9, 4, -1, -6, -11, ...

• 81
• -34
• -146
• -225

Find the next 3 terms in the following sequence:

512, 256, 128, ...

• 1024, 2048, 4096

• 32, 8, 2

• 64, 32, 16

• 92, 66, 38

Find the common ratio: 64, -16, 4, -1, ...

• r = -8
• r = -1/4
• r = -4
• r = 4

Find the common ratio: 4, -16, 64, -256, ...

• r = -4
• r = 2
• r = -2
• r = 4