Solve the Equation by Completing the Square $$a ^ { 2 } - 10 a + 9 = 0$$

question 11

Multiple Choice

Solve the equation by completing the square.
- $$a ^ { 2 } - 10 a + 9 = 0$$

• A) \(- 9 , - 1\)
• B) 8,1
• C) \(\sqrt { 9 } , - \sqrt { 9 }\)
• D) 9,1

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