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Quick Homework Help
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Using this formula, how can I find the x-intercepts for y=2(x-2)²-5?

Zerlinda001

by Zerlinda001 at October 18, 2009

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you need to expand 2(x-2)^2 - 5 first

jessieh jessieh December 16, 2009

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2(x-2)^2 - 5 =2(x^2-4x+2)-5 =2x^2-8x+4-5 =2x^2-8x-5 then you can apply the formular :)

jessieh jessieh December 16, 2009

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