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Math Help - Find the quadratic funtion?

  1. #1
    Eggmoe
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    Find the quadratic funtion?

    I need help on a quadratic problem. The question asks "Find the quadratic function y=ax˛+c with a graph that has the given points. (0,2)(3,5)"
    I don't remember going over this in class. What exactly is the question asking for?
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by Eggmoe View Post
    I need help on a quadratic problem. The question asks "Find the quadratic function y=ax˛+c with a graph that has the given points. (0,2)(3,5)"
    I don't remember going over this in class. What exactly is the question asking for?
    (0,2) means, when x = 0, y = 2

    thus we have 2 = c

    also, (3,5) means, when x = 3, y = 5

    thus, 5 = 9a + 2

    \Rightarrow a = \frac 13

    thus, the quadratic is y = \frac 13x^2 + 2
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