Question 828056
How do I graph the equation x^2+y^2+6x-16y+48=0
I've tried to isolate y, but I'm having a lot of trouble with it.
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x^2+y^2+6x-16y+48=0
{{{x^2+6x+9 + y^2-16y+64 = -48+9+64 = 25}}}
{{{(x+3)^2 + (y-8)^2 = 25}}}
{{{y-8 = sqrt(25 - (x+3)^2)}}}
{{{y = 8 + sqrt(25 - (x+3)^2)}}}
{{{y = 8 - sqrt(25 - (x+3)^2)}}}
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You can plot points, or put the center at (-3,8) with r = 5