Question

What are the possible values of the missing term in the geometric sequence? 4, , 9.

+_5

+_6

+_13

+_36

Answer 1

+_6

Explanation:

let the possible values be x.

x÷4=9÷x

from that you will get x^2=36

introduce a square root to both sides and the answer is +_6

Answer 2

+_5, because 4 + 5 = 9