SOLUTION: what are the possible coordinates of a point where the line y=x-4 and the circle x^2+y^2=40 meet. thank you !!!!!

Question 299715: what are the possible coordinates of a point where the line y=x-4 and the circle x^2+y^2=40 meet. thank you !!!!!
Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!
what are the possible coordinates of a point where the line y=x-4 and the circle x^2+y^2=40 meet. thank you !!!!!


 

Here's how to find those points algebraically:



Substitute  for y in the second equation:











Substitute 6 for x in 





So one point is (x,y) = (6,2)

Substitute -2 for x in 





So the other point is (x,y) = (-2,-6)

Edwin

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