Question

Determine if the sequence below is arithmetic or geometric and determine the

common difference / ratio in simplest form.
This is
12, 7, 2, ...
sequence and the
is equal to

Answer 1

1/5

Explanation:

A reciprocal in math is one divided by the number in question (also known as the multiplicative inverse). For example, if our chosen number is 5, then its reciprocal is 1/5. The multiplication of these two numbers will give us 1: 5 * 1/5 = 5 * 0.2 = 1.