Lesson 95 of 95

Writing Quadratic Functions
Students learn to write quadratic functions using the formula f(x) = a[x^2 - (sum of roots)x + (product of roots)]. For example, to write the quadratic function that has a vertex of (7, -5) and x-intercepts of 6 and 8, note that the x-intercepts are the roots, so the first step is to  more...
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