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The line of symmetry for the quadratic equation y = ax2 + 8x - 3 is x = 4. What is the value of "a"?

The line of symmetry for the quadratic equation y = ax2 + 8x - 3 is x = 4. What is the value of "a"?
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The line of symmetry for the quadratic equation y = ax2 + 8x - 3 is x = 4. What is the value of "a"?

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User Metehan
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1 Answer

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Solve for a by simplifying both sides of the equation, then isolating the variable.
a = -8/x + 3/x^2 + y/x^2
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User Jstuardo
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