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How do you write #y = 2x^2 + 20x + 50# in standard form?

1 Answer

May 15, 2015

#y = 2x^2+20x+50# is already in what many people call standard form, but sometimes the term "standard form" is used to denote vertex form:

#y = a(x-h)^2 + k#

In our case

#y = 2x^2+20x+50 = 2(x+5)^2 = 2(x-(-5))^2 + 0#

in vertex form with #a=2#, #h=-5# and #k=0#.

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