Question

interpole oito termos aritmeticos entre -5 e 40.

ajude - me

Answer 1

a1=-5 An=a1+(n-1).r
an=40. 40=-5+9.r
n=10. 45=9r
r=5
(-5,0,5,10,15,20,25,30,35,40)

Answer 2

a1=-5
an=40
n=10
razão=?

an=a1+(n-1).r
40=-5+(10-1).r
40=-5+9r
40+5=9r
r=45/9
r=5

(-5,0,5,10,15,20,25,30,35,40...)