Asked by Anonymous
what is the intercept form of this parabola with intercepts at: x = -2, x = 3, and y = -4
Answers
Answered by
Steve
start with y=(x+2)(x-3)
at x=0, y=-6
but you want y(0)=-4
so,
y = (2/3)(x+2)(x-3)
multiplying by 2/3 does not change the roots, but it does shift the y-intercept.
at x=0, y=-6
but you want y(0)=-4
so,
y = (2/3)(x+2)(x-3)
multiplying by 2/3 does not change the roots, but it does shift the y-intercept.
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