Posted by **Sarah** on Tuesday, May 12, 2009 at 7:02pm.

(2,14),(1,-1),(3,35)

Find the quadratic function y=ax^2+bx+c

1) 4a+2b+c=14

2) a+b+c=-1

3) 9a+3b+c= 35

equation 1&2 = 3a + b = 13

equation 1&3 = -5a +5b = -21

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