SOLUTION: Find the quadratic function that includes each set of values.
(1, 0), (2, 5), (4, 21)
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Question 953081: Find the quadratic function that includes each set of values.
(1, 0), (2, 5), (4, 21)
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
the general form is:
( 1,0 )
(1)
---------------------
( 2,5 )
(2)
----------------------
( 4,21 )
(3)
-------------------------
Subtract (1) from (2)
(2)
(1)
-----------------------
Multiply both sides by
and subtract this result from (3)
----------------------
Plug this into (1)
(1)
also, from above:
Plug this into (1)
(1)
(1)
(1)
----------------
--------------
--------------------
Plug these results into:
----------------------
check:
( 4,21 )
You can check the other 2 points
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