Geometric Sequences Exit Ticket

Front

What does a₁ represent?

Back

First term

Front

To find the next term in a geometric sequence…

Back

multiply by the common ratio r

Front

Explicit formula for a geometric sequence

Back

Front

What is a₅ in the sequence defined as follows? a_n = 5 ⋅ 2^(n-1)

Back

a₅ = 80

Front

Is the sequence 2, 6, 18, 54,... geometric?

Back

yes

Front

What does r represent?

Back

Common Ratio

Front

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

Back

r = -4

Front

Write the explicit formula for the geometric sequence. Options: a_n = 2(100)^n-1, a_n = 100(2)^n-1, a_n = 100(1/2)^n-1, a_n = (1/2)(100)^n-1

Back

a_n = 100(1/2)^n-1

Front

14th term of the geometric sequence?

Back

4,782,969

Front

What is the 11th term of the geometric sequence?

Back

-19,531,250