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your classmate says he can write the equation of a quadratic function that passes through the points (3,4), (5,-2),and (3,0). Explain his error.
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your classmate says he can write the equation of a quadratic function that passes through the points (3,4), (5,-2),and (3,0). Explain his error.

User Erwaman
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He can't write the equation because slope can't pass through x=3 twice.
In this case, (3,4) and (3,0). There can't be two exact same value in a slope.
User Todd Gardner
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