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PostPosted: Fri May 21, 2010 6:56 pm 
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Joined: Tue Oct 28, 2008 6:41 pm
Posts: 133
Location: Surrey
Quick Maths question:

Name an equation for a graph that is not a straight line, and explain how you worked out that it wasn't a straight line.

Thanks!

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PostPosted: Fri May 21, 2010 7:23 pm 
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Joined: Fri Nov 17, 2006 8:54 pm
Posts: 1770
Location: caversham
Try y=x*x or x squared.

Plot a few points

1,1
2,4
3,9
4,16

I think that is the simplest one for an 11++ level question.


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