Solve the Quadratic Equation $n ^ { 2 } - 22 = 0$

question 62

Multiple Choice

Solve the quadratic equation. $n ^ { 2 } - 22 = 0$ Use the following property: For any real number a , $x ^ { 2 } = a$ if and only if $x = \sqrt { a }$ or $x = - \sqrt { a }$ .

• A) \(\{ \sqrt { 22 } \}\)
• B) \(\{ 11.0 \}\)
• C) \(\{ \sqrt { 22 } , - \sqrt { 22 } \}\)
• D) \(\{ - \sqrt { 22 } \}\)
• E) \(\{ 22,0 \}\)

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