Question

Can you help me with my work

Answer 1

we have the sequence

-4,-1,2,5,8

so

a1=-4

a2=-1

a3=2

a4=5

a5=8

we have that

a2-a1=-1-(-4)=3

a3-a2=2-(-1)=3

a4-a3=5-2=3

a5-a4=8-5=3

that means

Its an arithmetic sequence

the common difference d is equal to d=3