Question

Some of the steps in the derivation of the quadratic formula are shown. Step 4: Step 5: Step 6: Step 7: Which best explains why the expression cannot be rewritten as during the next step? Negative values, like −4ac, do not have a square root. The ± symbol prevents the square root from being evaluated. The square root of terms separated by addition and subtraction cannot be calculated individually. The entire term b2 − 4ac must be divided by 2a before its square root can be determined.

Answer 1

C. The square root of terms separated by addition and subtraction cannot be calculated individually.

Explanation:

Edge

Answer 2

The correct answer for this question is this one: "The square root of terms separated by addition and subtraction cannot be calculated individually."

The statement that best explains why the expression cannot be rewritten as during the next step is that the square root of terms separated by addition and subtraction cannot be calculated individually.
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