Solve by completing the square. Give exact solutions. Simplify radicals and reduce.x2 = 9 - 4x

A. -2 ± 1
B. -2 ± 
C. 2 + 
D. -1 ± 


Answer: B

Mathematics

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A. 16 cm B. 28 cm C. 12 cm D. 14 cm

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Simplify the expression. Write the result using positive exponents only.-4

A.
B. 625
C. -625
D.

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Solve the quadratic equation by the method of your choice.x2 + 16x = -64

A. {-2}
B. {8}
C. {-8, 8]
D. {-8}

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Use the square root property to solve the quadratic equation.2 = 

A. 0, 
B. 0, - 
C. ± 
D. - 

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