Solve the Equation by Using the Quadratic Formula $u ^ { 2 } - 10 u + 18 = 0$

question 20

Multiple Choice

Solve the equation by using the Quadratic Formula. $u ^ { 2 } - 10 u + 18 = 0$

• A) \(u = 10 \pm\) \(\sqrt { 7 }\)
• B) \(u = 10 \pm\) \(\sqrt { 43 }\)
• C) \(u = 5 \pm\) \(\sqrt { 7 }\)
• D) \(u = - 10 \pm\) \(\sqrt { 43 }\)
• E) \(u = - 5 \pm\) \(\sqrt { 7 }\)

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