allie_bear22
what is this x^2-49/x^2+7x in simplified form?
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LaShaun97
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x + 7 / x - 7
Luigi0210
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\[\frac{ x^2-49 }{ x^2+7x }=\frac{ (x-7)(x+7) }{ x(x+7) }=\frac{ (x-7) }{ x }\]
LaShaun97
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so i was wrong??
allie_bear22
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@LaShaun97 yea
allie_bear22
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that wasnt even an option
Luigi0210
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How did you arrive at that answer @LaShaun97 ?
allie_bear22
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@Luigi0210 can u help me with 1 more?
LaShaun97
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well actually i had a problem similar to that problem and i just looked at the first couple of numbers and i picked the answer i had, which was the answer to a completely different problem....sorry
Luigi0210
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Sure
allie_bear22
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which graph shows the quadratic function y=3x^2-12x+10
Luigi0210
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It is D, I used the derivative to locate a max/min and went from there
allie_bear22
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thnx
Luigi0210
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No problem :D