SOLUTION: Let f(x) = ax^2 + bx + c . Complete the square to write f in the form
f(x) = {{{ a(x + __ )^2 + __ }}}
The graph of f is a parabola whose vertex has x =____
If a < 0, then the
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Question 906366: Let f(x) = ax^2 + bx + c . Complete the square to write f in the form
f(x) =
The graph of f is a parabola whose vertex has x =____
If a < 0, then the ____ value of
f is f ____
Thank you
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Let f(x) = ax^2 + bx + c . Complete the square to write f in the form
f(x) =
------------------
y = ax^2 + bx +c
y = a(x^2 + (b/a)x) + c
----
Complete the square::
y = a(x^2 + (b/a)x + (b/2a)^2 + c-a(b/2a)^2
---
Factor:
y = a(x+(b/2a))^2 + c-a(b/2a)^2
--------------------
The graph of f is a parabola whose vertex has x = -b/(2a)____
-------------------------------
If a < 0, then the __?__ value of
f is f __?__
===============
Cheers,
Stan H.
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