SOLUTION: Trying to make sure I have this equation of a quadratic function whose graph passes through each set of points (1,0),(2,-7),(5,-16)Trying to teach this when it was 40 years ago wh
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Question 1128654: Trying to make sure I have this equation of a quadratic function whose graph passes through each set of points (1,0),(2,-7),(5,-16)Trying to teach this when it was 40 years ago when I was in school. Thank you so very much
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
General Quadratic Function:
\ =\ ax^2\ +\ bx\ +\ c)
Stop thinking about a point on the graph of a function as )
, rather consider it as ))
.
So, if \ =\ 0)
, then
And if \ =\ -7)
, then
And if \ =\ -16)
, then
Solve the 3X3 system for a, b, and c.
John
My calculator said it, I believe it, that settles it
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