Answers FL-1200710-Mathematics for College Algebra A Solving Quadratic Equations: Completing the Square — Unit testQuestion 4

4

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Solving Quadratic Equations: Completing the Square — Unit test

Question 4 of 25 • FL-1200710-Mathematics for College Algebra A

Which equation results from taking the square root of both sides of (x – 9)2 = 81?

Answer

A

x – 9 = ±9

B

x + 9 = ±9

C

x + 3 = ±9

D

x – 3 = ±9

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