A and B are the intersections of the curve y=12/x and the line y+x=7. Find the co-ordinates of A and B. What method do I use for this?

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- April 23rd 2006, 03:06 PMdigideensCurve Intersections...
A and B are the intersections of the curve y=12/x and the line y+x=7. Find the co-ordinates of A and B. What method do I use for this?

- April 23rd 2006, 04:38 PMThePerfectHackerQuote:

Originally Posted by**digideens**

Substitute,

Mutiply by to get,

Thus,

Factor,

Set each factor equal to zero and solve,

Graphically it is demonstrated below - April 26th 2006, 10:58 AMdigideens
thanks a lot.