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IB Distance between two points

PostPosted: Tue Apr 23, 2013 4:17 am
by William
IB Mathematical Studies, Coordinate geometry

How can we find the parameter c if these A(4,c) and B(-2,3) are 6 units apart?

Thanks

Re: IB Distance between two points

PostPosted: Tue Apr 23, 2013 4:25 am
by nicole
IB Maths Studies, Coordinate geometry, Distance Formula

The distance between two points and
is given by the following formula:



Applying the Distance formula in your case we have


(by squaring both sides)




Re: IB Distance between two points

PostPosted: Tue Apr 23, 2013 4:27 am
by William
Thanks Nicole!