Graph the function. Identify the vertex and axis of symmetry.
f(x) = -2x^2 + 2x - 1

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Asked 1/14/2013 5:35:29 PM

Updated 11/19/2014 10:29:01 PM

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Flagged by janezeshun [11/19/2014 10:26:42 PM]

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Question

Asked 1/14/2013 5:35:29 PM

Updated 11/19/2014 10:29:01 PM

1 Answer/Comment

Flagged by janezeshun [11/19/2014 10:26:42 PM]

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5

Identify the vertex and axis of symmetry for f(x) = -2x^2 + 2x - 1, the vertex is (1/2 , -1/2) , axis of symmety is x = 1/2 .

Symmetry = -2/{(-2)*2} = -2/-4 = 1/2

When x = 1/2

f(x) = -2*(1/2)^2 + 2*1/2 - 1

f(x) = -2*1/4 + 1 - 1

f(x) = -1/2

Symmetry = -2/{(-2)*2} = -2/-4 = 1/2

When x = 1/2

f(x) = -2*(1/2)^2 + 2*1/2 - 1

f(x) = -2*1/4 + 1 - 1

f(x) = -1/2

Added 11/19/2014 10:29:01 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [11/19/2014 10:51:05 PM]

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