Geometric Sequences

Front

Next 3 terms in the geometric sequence: 512, 256, 128, ___, ___, ___

Back

64, 32, 16

Front

Find the next three terms: 4, 12, 36, 108, ...

Back

324, 972, 2916

Front

Find the next three terms: -4, -12, -36, -108, ...

Back

-324, -972, -2916

Front

What is the common ratio for the sequence:
28, 14, 7, 3.5...

Back

1/2

Front

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

Back

r = -4

Front

Write the explicit formula for the geometric sequence. Options: a_n = 4(3)^n-1, a_n = 3(4)^n-1, a_n = -4(3)^n-1, a_n = 3(-4)^n-1

Back

a_n = 3(-4)^n-1

Front

Find the first four terms of the sequence given the rule:
a_n = 4(5)^n-1

Back

4, 20, 100, 500

Front

What is the 14th term of the geometric sequence?

Back

4,782,969

Front

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

Back

-177,147

Front

A geometric sequence has a common ratio (r) of 3 and the 8th term (a₈) is 13,122. What is the first term of the sequence (a₁)?

Back

6