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Explain how you can use the graph of the quadratic function f(x) to solve the equation f(x)=0

User Mkedobbs
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Graph the f(x) quadratic equation, which will be a parabola, and find the zeroes or where the graph crosses the x-axis in two places, or one place if both answers are equal. Or factor the quadratic equation and set each factor equal to zero and solve for the two x values.
User Spiros Martzoukos
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