2.5 Quadratic Functions Worksheet - Maxima And Minima Page 2

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2.5 Quadratic Functions; Maxima and Minima
Ex. Minimum Value of a Quadratic Function
2
– 20x + 53.
Consider the quadratic function f(x) = 2x
a) Express f in standard form.
b) Sketch the graph.
c) Find the minimum value of f.
Ex. Maximum Value of a Quadratic Function.
2
Consider the quadratic function f(x) = -x
+ x + 5.
a) Express f in standard form.
b) Sketch the graph of f.
c) Find the maximum value of f.

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