Algebra
posted by Bonnie
Find a quadratic function that fits the set of data points (0,−3), (2,1), (4,1). I am confused about how to go about this. Please help tonight if possible.

scott
the general equation is ... y = ax^2 + bx + c
plug in the three points to generate three equations in a, b, and c
solve the system of equations for the three coefficients
1st one ... 3 = a(0)^2 + b(0) + c
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