SOLUTION: Find x intercept of the parabola with vertex (1,245) and y intercept (0,240). Write the answer in this form (x1,y1),(x2,y2) if necessary round to nearest hundredth.

Question 978909: Find x intercept of the parabola with vertex (1,245) and y intercept (0,240). Write the answer in this form (x1,y1),(x2,y2) if necessary round to nearest hundredth.
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Begin with standard form, .
Solve for a because you will also use the formula.

Use the given vertex and y-intercept:

Solve the standard form equation for the two x-intercepts. (Let y=0 and just solve for the value of x, which then gives the x-intercepts.)

-----y has been set equal to 0 but step not shown

Either x=-6 or x=8
As ordered pair points, (-6,0) and (8,0) are the x-intercepts.

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