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maths whiz advice

MarieDuffy · 2006-06-19 15:24:26

alright lads! For maths Higher p2 Q1 part i. I got for the equation of the line to equal x-1 to be squared + y-1 to be squared=8. Now on the leaving cert.ie website for all the solutions they got x-1 to be squared + y-1 to be squared=32 Any1 which is correct?????????

19-06-2006 3:24pm

#1

MarieDuffy

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alright lads! For maths Higher p2 Q1 part i. I got for the equation of the line to equal x-1 to be squared + y-1 to be squared=8.

Now on the leaving cert.ie website for all the solutions they got x-1 to be squared + y-1 to be squared=32

Any1 which is correct?????????

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Comments

#2 19-06-2006 3:25pm

Matthewthebig

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the one on the paper...

doesn't need a maths whizz

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#3 19-06-2006 3:28pm

MarieDuffy

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No leavingcert.ie have done out solutions to the paper. I cant see how they got 32 for the radius...i got 8!
Just wondering if any1 else got teh radis of the circle to be the square root of 8

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#4 19-06-2006 4:01pm

Crumbs

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I think you're correct Marie. The diameter is sqrt32 so the radius is sqrt8.

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#5 19-06-2006 4:03pm

MarieDuffy

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Thanks.

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#6 19-06-2006 6:07pm

brid_m

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Lads, i wouldnt bother with those results on that site.. they're not the actual answers! and as they say they're only human, so i'd allow for mistakes! You'd b btr off leaving it!!:D
*just some friendly advice!!:rolleyes:

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