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Do lines y = ax^2 + b and y =cx^2 + d cross?

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Do lines y = ax^2 + b and y =cx^2 + d cross? [#permalink]

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New post 18 Feb 2012, 10:32
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33% (00:00) correct 67% (00:19) wrong based on 3 sessions

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Do lines y = ax^2 + b and y =cx^2 + d cross?

(1) a = -c
(2) b>d
[Reveal] Spoiler: OA
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Kudos [?]: 71042 [0], given: 9857

Re: Do these lines intersect [#permalink]

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New post 18 Feb 2012, 10:35
Expert's post
Re: Do these lines intersect   [#permalink] 18 Feb 2012, 10:35
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Do lines y = ax^2 + b and y =cx^2 + d cross?

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