Question

What is the common difference in the arithmetic sequence shown here? 2,7,12

Answer 1

What is the common difference in the arithmetic sequence shown here? 2,7,12​

In this problem we have an arithmetic sequence

so

a1=2

a2=7

a3=12

a2-a1=7-2=5

a3-a2=12-7=5

therefore

The common difference d is 5