Geometric Sequences

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

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

Find the 11^th term for: 64, -32, 16, -8, …

Back

-.0625

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

9^th term in a geometric sequence with a common ratio of 2 and a first term of 3?

Back

768

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)? 13,122 = a₁ (3)^8-1

Back

6

Front

7th term of the geometric sequence: a_n = -3(2)^n-1

Back

-192