Question

x^2 + y^2 -4x+6y+9=0
solve for y

Answer 1

\[x ^{2}+y^2-4x+6y+9=0\]

Answer 2

y= -3

Answer 3

i even don't know how its -3

Answer 4

This is part of a calculus problem. Can you please show your work? @justsmile531
I don't see how it is -3 either. mathway gave us \[y=−3±\sqrt{−x(x−4)}\] but I don't know how to get to that

Answer 5

this is an equation of a conic

Answer 6

equation of a circle

Answer 7

I got that .. I just saw -3 , I am sorry.

Answer 8

where is 9 ??