Question

Which polynomial is a perfect square trinomial

A. 25x^2-20x-16
B. 9a^2-30a-25
C. 25b^2-15b +9
D. 16x^2-24x+9

Answer 1

D

Explanation:

16x^2 - 24x + 9

(4x - 3)^2

(4x - 3) (4x - 3)

16x^2 - 12x - 12x + 9

16x^2 - 24x + 9