mcourter28 mcourter28

08-10-2015
Mathematics

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How do you graph the Quadratic Function of y=x-squared - 4

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Panoyin Panoyin

08-10-2015

y = (x + 2)(x - 2)
y = x(x - 2) + 2(x - 2)
y = x(x) - x(2) + 2(x) - 2(2)
y = x² - 2x + 2x - 4
y = x² - 4

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