Question

Given: an = 7(-4)^n-1 match the term to its answer. Answers may be used more than once.

Common ratio
a3
Initial value
a1

Answer choices
A. 112
B. -28
C. 7
D. -4

Answer 1

wrong again,
common ratio = -4
a3 = 7(-4)^2 = 112

Answer 2

Common ratio: D. -4
a3: B. -28
Initial value: C. 7

Answer 3

I apologize for the mistake.

Common ratio: D. -4
a3: A. 112
Initial value: C. 7