4
QuizMultiple Choice
Introduction to the Quadratic Formula
Question 4 • FL-1200710-Mathematics for College Algebra A
Some of the steps in the derivation of the quadratic formula are shown.Step 4: Step 5: Step 6: Step 7:
Answer
A
Negative values, like −4ac, do not have a square root.B
The ± symbol prevents the square root from being evaluated.C
The square root of terms separated by addition and subtraction cannot be calculated individually.D
The entire term b2 − 4ac must be divided by 2a before its square root can be determined.