Decide whether or not the equation has a circle as its graph. If it does not, describe the graph.
-$$x ^ { 2 } + y ^ { 2 } + 6 x - 18 y + 90 = 0$$
A) no; the graph is the point $( 3 , - 9 )$
B) no; the graph is the point $( - 3,9 )$
C) no; the graph is nonexistent
D) yes

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The Answer of Decide whether or not the equation has a circle as its graph. If it does not, describe the graph.
-$$x ^ { 2 } + y ^ { 2 } + 6 x - 18 y + 90 = 0$$
A) no; the graph is the point $( 3 , - 9 )$
B) no; the graph is the point $( - 3,9 )$
C) no; the graph is nonexistent
D) yes

Decide Whether or Not the Equation Has a Circle as Its