Question

8th term of a4 = -12 and a5 = -6

Answer 1

Step-by-step explanation:

= a4=a+(n-1)d=a+3d=-12_1

= a5=a+(n-1)d=a+4d=-6_2

=subtract 2 and 1

we get

d=6

a=-30

then a8=a+7d

=-30+7*6

=42-30

=12