Geometric Sequences and Ratios

Identify the first term

Calculate the sum of terms

Determine the number of terms

Find the common ratio

Multiply the first term by the number of terms

Subtract the first term from the last term

Divide the last term by the first term

Add the first and last terms

4

3

6

5

Addition

Subtraction

Division

Multiplication

10

50

25

100

By checking if the last term equals the first term times the common ratio raised to the power of n-1

By adding all the terms together

By subtracting the first term from the last term

By dividing the last term by the first term

1750

1500

1000

1250

2

3

4

5

Subtract the common ratio from the fourth term

Divide the fourth term by the common ratio

Add the common ratio to the fourth term

Multiply the fourth term by the common ratio

128

256

512

1024