Solve the Equation by Completing the Square $x ^ { 2 } - 8 x - 9 = 0$

question 53

Multiple Choice

Solve the equation by completing the square. $x ^ { 2 } - 8 x - 9 = 0$

• A) \(x = - 2\) , \(x = 9\)
• B) \(x = 8\) , \(x = 9\)
• C) \(x = 1\) , \(x = 9\)
• D) \(x = - 1\) , \(x = 9\)
• E) \(x = - 8\) , \(x = 2\)

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Definitions:

Conversion Formula

A mathematical equation used to change a measurement from one unit to another.

Yards

A unit of length equal to 3 feet or 36 inches, used in both the imperial and US customary systems.