Introduction to the Quadratic Formula Answers
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Determine the discriminant for the quadratic equation 0=-2x2+3. Based on the discriminant value, how many real number solutions does the equation have?Discriminant = b2-4ac
A
0B
1C
2D
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Some of the steps in the derivation of the quadratic formula are shown.Step 4: Step 5: Step 6: Step 7:
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.Did you find these answers helpful?
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