Question

What is the next number in the sequence: -2, 4, -8, 16, -32, , ...

Answer 1

64

Explanation:

This is an Geometric sequence

Common ratio = 2nd term ÷ 1st term = 4 ÷ (-2) = -2

To get the next term multiply the previous term by (-2)

The next term (6th term) = -32 * (-2) = 64