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Slopes of line

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Slopes of line [#permalink] New post 05 Jun 2010, 11:39
Do lines y = a(x^2) + b and c(x^2) + d cross ?
1. a = -c
2. b = d
Please explain
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Re: Slopes of line [#permalink] New post 05 Jun 2010, 12:06
Expert's post
msand wrote:
Do lines y = a(x^2) + b and c(x^2) + d cross ?
1. a = -c
2. b = d
Please explain


Question was discussed at: m24-12-formatting-error-73363-20.html#p685397

By the way the question should state: "Do the graphs y=ax^2+b and y=cx^2+d cross?"
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Re: Slopes of line   [#permalink] 05 Jun 2010, 12:06
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