help please ? :/

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shahtaj

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help please ? :/

« on: May 15, 2011, 11:30:06 am »

http://www.xtremepapers.me/CIE/Cambridge%20IGCSE/0580%20-%20Mathematics/0580_s09_qp_4.pdf

page 7, d)

can someone please explain? thankyou

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rainbowtiara24

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Re: help please ? :/

« Reply #1 on: May 15, 2011, 12:59:33 pm »

Just the points where the two lines intersect

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shahtaj

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Re: help please ? :/

« Reply #2 on: May 15, 2011, 01:10:56 pm »

what 2 lines? the two graphs don't intersect. -.-

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rainbowtiara24

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Re: help please ? :/

« Reply #3 on: May 15, 2011, 01:47:53 pm »

wait let me word it properly !
The point where y=-x touches the first graph

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