Geometric Sequences

Front

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

Back

1/2

Front

Find the common ratio for the following geometric sequence: 7, -7, 7, -7, ...

Back

-1

Front

Write an explicit rule for the general term of the sequence 5, 15, 45, . . . ?

Back

a_n = 5(3)^n-1

Front

Is the sequence -432, 72, -12, 2,... geometric?

Back

yes

Front

Determine whether the sequence is arithmetic, geometric, or neither.

Back

arithmetic

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

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

Back

768

Front

You have $10 in your bank account. It doubles every month. How much money will you have after 5 months?

Back

$320

Front

What is the explicit expression that represents how many strings are included based on the number of steps?

Back

Front

Write the explicit formula for the geometric sequence. Options: a_n = 10(2)^n-1, a_n = 2(10)^n-1, a_n = 10(2)ⁿ, a_n = 2(10)ⁿ

Back

a_n = 10(2)^n-1