SOLUTION: how do you write a quadratic function in standard form whose graph passes through the given points: (2,7) (3,2) and (5,4)?

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: how do you write a quadratic function in standard form whose graph passes through the given points: (2,7) (3,2) and (5,4)?      Log On


   

Question 396995: how do you write a quadratic function in standard form whose graph passes through the given points: (2,7) (3,2) and (5,4)?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
how do you write a quadratic function in standard form whose graph passes through the given points: (2,7) (3,2) and (5,4)?
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Use ax^2+bx+c = y
You need to find a,b, and c.
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Substitute each of the points into the
quadratic form to get three equations
with three variables.
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Solve the system and find the formula.
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Cheers,
Stan H.
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