Posted by strawerryfields on Tuesday, January 20, 2009 at 5:52pm.
x = 3  y^2
y = x  3
Find the points of intersection.
If someone could even get me to the point where it gets written in general form (both equations set to 0..) I would be forever grateful.

math  Reiny, Tuesday, January 20, 2009 at 6:50pm
sub the second equation into the first, so
x = 3  (x3)^2
x = 3  (x^2  6x + 9)
x^2  5x + 6 = 0
(x2)(x3) = 0
x = 2 or x = 3
if x = 2, then y = 23 = 1
if x = 3, then y = 33 = 0
so they intersect at (2,1) and (3,0)