How do you classify the graph $x^2+9y^2=0$ ?

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Answer 1 · 2017-05-13T06:45:59

a degenerate conic ( ellipse ) or a singular point

Divide through by $9: " " x^2/9 + y^2/1 = 0$

This is a degenerate conic of type ellipse that has only a singular point.

How do you classify the graph x^2+9y^2=0x^2+9y^2=0?