SOLUTION: determine the equation of the quadratic function which passes through the points (1,-1),(-3,-33),(2,-8)
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Question 978340: determine the equation of the quadratic function which passes through the points (1,-1),(-3,-33),(2,-8)
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
If the graph of
\ =\ ax^2\ +\ bx\ +\ c)
contains the point )
, then
^2\ +\ b(1)\ +\ c\ =\ -1)
Likewise, for the other two points
^2\ +\ b(-3)\ +\ c\ =\ -33)
and
^2\ +\ b(2)\ +\ c\ =\ -8)
So solve the 3X3 system
to determine the coefficients for the desired function.
John
My calculator said it, I believe it, that settles it
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