SOLUTION: What is the parabola of the equation in standard form given the points (1,-1), (2,-5), (3,-7)?

SOLUTION: What is the parabola of the equation in standard form given the points (1,-1), (2,-5), (3,-7)?

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Question 1007902: What is the parabola of the equation in standard form given the points (1,-1), (2,-5), (3,-7)?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Start with the equation,

Generate an equation with each point,

1.
.
.

2.
.
.

3.
.
.
Subtract eq. 1 from eqs. 2 and 3 to eliminate .

4.
and

5.
Subtract eq. 4 from eq. 5 to eliminate ,

Then from eq. 4,

and finally from eq. 1,

.
.
.

.
.
.

.
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