SOLUTION: find a queadraric model for each set of values (-1,6) (1,4) (2,9)

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons -> SOLUTION: find a queadraric model for each set of values (-1,6) (1,4) (2,9)      Log On


   

Question 534000: find a queadraric model for each set of values
(-1,6) (1,4) (2,9)
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
y = ax^2 + bx + c

6 = a - b + c

4 = a + b + c

9 = 4a + 2b + c

solve the system of equations for the coefficients a, b, and c