SOLUTION: Struggling on how to find an equation when only given these three coordinates: (4,-10), (11,5), (23,17) Seems like it should be a quadratic eq, but confused without any x or y

Question 999688: Struggling on how to find an equation when only given these three coordinates:
(4,-10), (11,5), (23,17)
Seems like it should be a quadratic eq, but confused without any x or y axis values.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
You're going to have to slog through it.
Start with the general equation for a quadratic.

Use the points,

1.
.
.

2.
.
.
.

3.
.
.
.
The quickest way is to use Cramer's rule,

.
.
.

.

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