Question

Find the 72nd term of the arithmetic sequence -27, -11, 5,...

Answer 1

1109

Explanation:

So the pattern is + 16

So if you start from -27, the second term is -27 + 16 * 1

The 72nd term will be -27 + 16 * 71

16 * 71 = 1136

-27 + 1136 = 1109