Question

Which of the following would make x 2 + 2 x + ______ a perfect square trinomial?

8

1

2

4

Answer 1

Answer:

1

Step-by-step explanation:

you are trying to find the constant in order to make a perfect square, the easiest way to do this is to take the b value (2) and then half it before squaring that answer. essentially just use the equation

$( \frac{b}{2} ) {}^{2}$

to find the constant for any square trinomial

Answer 2

Answer:

4

Step-by-step explanation:

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