Arithmetic and Geometric Sequences

Front

What is the 38th term of this sequence?
{26, 22, 18, 14, ... }

Back

-122

Front

What is the common ratio of this sequence?
{2, 10, 50, 250, ... }

Back

5

Front

Dividing by 12 is the same as ...

Back

× 1/12

Front

What is the common difference in this sequence?
{48, 32, 16, 0, ... }

Back

-16

Front

Find the 10th term of this sequence:
{96, 48, 24, 12, ... }

Back

3/16

Front

These are the first three terms of an arithmetic sequence:
{½,  ¾,  1,  ... }
What are the fourth and fifth terms of the sequence?

Back

5/4,  3/2

Front

What are the first three terms of the sequence defined by the equation a_n = 7 + (n - 1)5?

Back

7, 12, 17

Front

Write the explicit formula for the geometric sequence. Options: t(n) = 10(2)^n-1, t(n) = 2(10)^n-1, t(n) = 5(2)ⁿ, t(n) = 2(5)ⁿ

Back

t(n) = 10(2)^n-1

Front

This image shows how a certain bacteria grows in a petri dish. What is the common ratio of this sequence?

Back

2

Front

Back

x=-9