SOLUTION: Algebrically, find the quadratic equation that passes through the points (-1, 0), (2,12),(-2,8)

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Question 374855: Algebrically, find the quadratic equation that passes through the points (-1, 0), (2,12),(-2,8)
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
The general equation for a quadratic is,

1.
.
.

2.
.
.

3.
.
.
.
Subtract eq. 1 from eq. 2,


4.
Subtract eq. 1 from eq. 3,

5.
Add eq. 4 and eq 5 together,



Then from eq. 4,


Then from eq. 1,


.
.
.

.
.
.
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