Posted by Lee on Friday, January 4, 2013 at 10:36am.
What is the equation in standard form, of a parabola that models the values in the table?
x f(x)
2 4
0 6
4 70

algebra  Steve, Friday, January 4, 2013 at 11:54am
let y = ax^2+bx+c
it's easy to see that c=6, so
4a2b = 10
16a + 4b = 70
(a,b)=(4,3) and so
y = 4x^2+3x6

algebra  Lee, Friday, January 4, 2013 at 12:15pm
thank you, helped explaining the answer
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