Question

Which of the following is a perfect square trinomial A. 16x^2 + 22xy - 49y^2

B. 16X^2 + 56xy - 49y^2
C. 16x^2 - 22xy + 49y^2
D. 16X^2 - 56xy + 49y^2

Answer 1

D.
`16x^2}-56xy+49y^2`

Explanation:

A and B aren't correct because the last term is negative.

The factored form of D is
`(4x-7y)^2`

I hope this helps!