SOLUTION: Find a quadratic model for the set of values: (-2, -20), (0, -4), (4, -20). Also please show your work, thanks.

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Question 959687: Find a quadratic model for the set of values: (-2, -20), (0, -4), (4, -20).
Also please show your work, thanks.
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!

So then using the points,

1.
.
.

2.
.
.

3.
Substitute for in eq. 1 and eq. 3.


4.
and


5.
Add eq. 4 and 5,



Then from eq. 5,



So,

.
.
.
.
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