Question

what is the common difference between the elements of the arithmetic sequence below? -18, -22.5, -27, -31.5, -36

Answer 1

Answer:

-4.5

Step-by-step explanation:

-22.5-18

=-4.5

Answer 2

Step-by-step explanation:

Given:-first term=-18 and second term=-22.5

To find:-

Common difference

solution:-

We know that,

Common difference =second - first term

so,

d=-22.5+18

= -4.5