Question

Which is the recursive formula for this geometric sequence? -16, -7, 2, 11,

Answer 1

a1=-16

an=an-1+9

Explanation:

This is for clarification for the person above who probably made it confusing for some people

Remember, the letter doesnt matter, because everyones test is in a different order.

Answer 2

A

Explanation:

`a_(1)=-16\\c.d. d=-7-(-16)=-7+16=9\\a_(n)=a_(n-1)+d\\a_(n)=a_(n-1)+9`