Question

The product of (a + b)(a − b) is a perfect square trinomial. (1 point)

a
Sometimes

b
Always

c
Never

Answer 1

Explanation:

step 1. (a + b)(a - b) = a^2 - ab + ab - b^2 = a^2 - b^2.

step 2. this is always a binomial and never a trinomial and hence never a perfect square trinomual.

step 3. answer: never.