Which polynomial represents a perfect square polynomial. select all that apply

x^2+2x+1
x^2-2x+1
4x^2+12x+16
4x^2-12x-9

ANSWER

and

EXPLANATION

A perfect square trinomial can be written in the form:

or

For the first option;

This is a perfect square trinomial.

For the second option,

This is also a perfect square trinomial.

The third option

This cannot be written as a perfect square.

This cannot also be written as a perfect square.

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step-by-step explanation:

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