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Qualification => Subject Doubts => GCE AS & A2 Level => Math => Topic started by: RomanianGuy on February 06, 2011, 09:48:07 pm

Title: C2 Coordinates Geometry!!
Post by: RomanianGuy on February 06, 2011, 09:48:07 pm

Hey!

I find this topic difficult for a reason :/

I've got a question which says:

"The circle C has centre (-3,2) and passes through the point (2,1)

a) find an equation for C
b) show that the point with co-ordinates (-4,7) lies of C

c) Find an equation for the tangent to C at the point (-4,7). Give your answer  in the form ax+by+c = 0, where a, b and c are integers.


PLEASE HELP GUYS!!!! IT DROVE ME MAD WHILE TRYIN TO ANSWER IT! :(

Title: Re: C2 Coordinates Geometry!!
Post by: astarmathsandphysics on February 09, 2011, 11:01:51 am

here