Express each equation in the specified form
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Express each equation in the specified form

[From: ] [author: ] [Date: 12-01-08] [Hit: ]
......
express each equation in the specified form.
a)y=(x-3)^2-25 in standard form
b)y=2(x-7)(x 3) in standard form
c)y=-2x^2 28-26 in factored form
d)y=-9x^2 72x 81 in vertex form

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a) Expand the exponentiation:
y = x^2 - 6x + 9 - 25
Combine like terms:
y = x^2 - 6x - 16

The others are all missing signs which are necessary to the answers.
(This question would have been better posted in the mathematics section.)
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