SOLUTION: Hello, I need to find a quadratic function in the form Y=ax^2+bx+c that passes through the points (1,359),(3,281),(4,194) and evaluate that function at x=5? Thanks for the help!

SOLUTION: Hello, I need to find a quadratic function in the form Y=ax^2+bx+c that passes through the points (1,359),(3,281),(4,194) and evaluate that function at x=5? Thanks for the help!

Algebra.Com

Question 201192: Hello, I need to find a quadratic function in the form Y=ax^2+bx+c that passes through the points (1,359),(3,281),(4,194) and evaluate that function at x=5? Thanks for the help!
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

where

and

:

and where

and

:

and where

and

:

Now you have 3 linear equations in

,

, and

. Solve the system for your set of three coefficients.

Once you have your three coefficients, substitute them into

Then substitute 5 for

and do the arithmetic.

John

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