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  • determine the equation of a quadratic function

    determine the equation of a quadratic function
    conditions:x-intercept 3,and passing through the point (1,-2)
    英語人氣:972 ℃時間:2020-02-05 03:57:13
    優(yōu)質(zhì)解答
    It sounds like that it passes thru 3 points: (0,0),(3,0),(1,-2)From the first 2 points,it can be expressed in the form of y = ax(x-3)It passes thru (1 -2):-2 = a*1*(1-3)a = 1y = x(x-3)
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