Asked by edward
A circle has the equation x squared plus y squared plus 8 x minus 8 y minus 49 equals 0
Graph the circle using the center (h,k) and radius r. Find the intercepts, if any, of the graph.
qaz
Graph the circle using the center (h,k) and radius r. Find the intercepts, if any, of the graph.
qaz
Answers
Answered by
Steve
why all those cluttery words? This is math, not English.
x^2+y^2+8x-8y-49 = 0
x^2+8x + y^2-8y = 49
Now complete the squares:
x^2+8x+16 + y^2-8y+16 = 49+16+16
(x+4)^2 + (y-4)^2 = 81
I think you can prolly take it from there, eh?
x^2+y^2+8x-8y-49 = 0
x^2+8x + y^2-8y = 49
Now complete the squares:
x^2+8x+16 + y^2-8y+16 = 49+16+16
(x+4)^2 + (y-4)^2 = 81
I think you can prolly take it from there, eh?
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