Geometric Sequences Practice

Front

What is the common ratio?

Back

r = 3

Front

Write an explicit equation given a₀ = 5 and r = 2.

Back

a_n = 5(2)ⁿ

Front

Back

r = 4

Front

Given the explicit formula a_n = 1(4)ⁿ
Find a₇

Back

16384

Front

What is the common ratio?

Back

r = 1/2

Front

Which of the following is a recursive formula for a geometric sequence? a_n = 2(3)ⁿ, a_n+1 = a_n + 4
a₀ = 7, a_n = 8 + 5(n), a_n+1 = a_n\cdot 4
a₀ = 3

Back

a_n+1 = a_n\cdot 4
a₀ = 3

Front

Given the explicit formula a_n = 9(1/3)ⁿ, what is the start, a₀?

Back

a₀ = 9

Front

Recursive formula for the geometric sequence shown in the table.

Back

Front

Given the explicit equation a_n = 100(1/2)ⁿ, find a₄.

Back

6.25

Front

Which of the following sequences is geometric?

Back