Answers Algebra III A Solving Quadratic Equations: Quadratic FormulaQuestion 9

9

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Solving Quadratic Equations: Quadratic Formula

Question 9 • Algebra III A

What is true about Marcus’s work? Check all that apply.

Answer

A

Marcus should have substituted –10 for b, not 10.

B

The denominator should be 1, not 2.

C

Marcus should have subtracted 4(1)(25) in the square root.

D

This equation, when solved correctly, only has 1 real number solution.

E

This equation has 2 real number solutions.

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