Question

InterpoLe Novê meios aritméticos entre-7e23

Answer 1

an=a1+(n-1)r

n=9+2=11

23=-7+(11-1)r

r=30/10 =3

-7

-7+3=-4
-4+3=-1
-1+3=2
2+3=5
5+3=8
8+3=11
11+3=14
14+3=17
17+3=20

20+3=23

Answer 2

an=a1+(n-1)r
23=-7+(11-1)r
23+7=10r
r=30÷10
r=3

Pa {-7,-4,-1,2,5,8,11,14,17,20,23}