SOLUTION: Use completing the square to describe the graph of f(x) =8-16x-x^2. Support your answers graphically.
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Question 766280: Use completing the square to describe the graph of f(x) =8-16x-x^2. Support your answers graphically.
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
Given is .
factor a -1:
Determine the missing square term:
Add and subtract 64 inside the grouped polynomial factor:
Factor the desired square term existing inside the parentheses:
.... and take care of a little bit more of the arithmetic..
Remultiply:
Function ready to graph is
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