## Posts Tagged ‘sequence’

## Problem 739

Find the next term of the sequence: -600, 300, -150, …

**Solution:-**

Find the common ratio and multiply the previous term by that value.

75

## Problem 736

Find the 100^{th} term of the sequence: -4, -2, 0, 2, ….

**Solution:-**

Find the common difference and use the explicit formula for arithmetic sequences: .

a_{n} = a_{1} + (n-1)d.

a_{1 }= -2

n = 100

d = 2

194