Pre Calc
Can someone help me understand how to do this:
I need to find two solutions to the problem
(x2)^2 + (y+3)^2 = 9
asked by
Anonymous

i tried simplifying it down to
x^2  4x + y^2 + 6y + 4 = 0
but I don't know if I'm on the right track. Can anyone help?posted by Anonymous

To me that doesn't seem like a complete question. You have 1 equation with 2 unknowns. You need a minimum of 2 equations to find 2 unknowns.
Another way of looking at it is that the above equation is the equation for a circle with center (2,3) and radius 3.
So asking for two solutions for a circle doesn't make much sense.
Are you sure that's the whole question?
Hope that helps.posted by GanonTEK
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