SOLUTION: find the x-intercepts of the parabola with (4,75) and y-intercept (0,27)

Question 310267: find the x-intercepts of the parabola with (4,75) and y-intercept (0,27)
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
The general equation for a parabola is

From the point (4,75),

1.
From the intercept (0,27),

2.
Then eq. 1 becomes,

At this point, you have two equations with three unknowns.
You can solve in terms of one of the unknowns.
You can find in terms of , this way your solution is based on the value of .
and the general equation becomes,

You can find the roots using the quadratic formula,

Can't simplify any more than that.

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