Question

The first four terms of a pattern are given below.

4, 0, -4, -8, ...

What is the eighth term of the pattern?

A.-24
B.-8
C.-20
D.-28

Answer 1

4,0-4,-8,-12,-16,-20,-24

A

Or we can calculate it by using arithmetic sequence:

a8=a1+(n-1)•r

a8=4+(8-1)•(-4)

a8=4-32+4

a8=-24