Question

Which trinomial is a perfect square trinomial?

Answer 1

Answer:

$y^{2} + 9y + 81$

Step-by-step explanation:

A perfect square trinomial is an algebraic expression that is of the form $ax^2 + bx + c$, which has three terms. It is obtained by the multiplication of a binomial with itself. For example, $x^2 + 6y + 9$ is a perfect square polynomial obtained by multiplying the binomial (x + 3) by itself.