Question

Here are two steps from the derivation of the quadratic formula.

Answer 1

What took place between the first step and the second step? - A. Taking the square root of both sides.

As we can see from the first to second step, the left side of the equation goes from being squared to not being squared. While on the right side of the equation, the square root is now being taken.

Hope this helps!! :)

Answer 2

The answer is A. Hope this helps.:)