Find the Zeros of the Quadratic Function by Completing the Square

question 36

Multiple Choice

Find the zeros of the quadratic function by completing the square. List the x-intercepts of the graph of the function.
- $$F ( x ) = x ^ { 2 } + 6 x - 40$$

• A) \(x = \sqrt { - 40 } , x = \sqrt { 40 }\)
• B) \(x = - 30 , x = - 10\)
• C) \(x = - 4 , x = 10\)
• D) \(x = 4 , x = - 10\)

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