Question

PLZ HELP! QUICK! WILL MARK BRAINLIEST!!! 20 POINTS!!! A portion of the Quadratic Formula proof is shown. Fill in the missing statement.

Answer 1

Answer:

D.

Step-by-step explanation:

After the third step, take the square root of both sides.

Third Step:

$(x+\frac{b}{2a})^2=\frac{b^2-4ac}{4a^2}$

Thus, the fourth step is:

$\sqrt{(x+\frac{b}{2a})^2}=\sqrt{ \frac{b^2-4ac}{4a^2}} }$

The left side cancels:

$(x+\frac{b}{2a})=\pm\sqrt{ \frac{b^2-4ac}{4a^2}} }$

D.