Classify the equation. 4x^2 = -36y^2 + 144?

1. Circle
2. Ellipse
3. Hyperbola
4. None of these

2007-12-15 10:07:44 · 2 answers · asked by chriskel8706 1 in Science & Mathematics ➔ Mathematics

4x^2 = -36y^2 + 144

4x^2 + 36y^2 = 144

(2x)^2 + (6y)^2 = 12^2

The answer is

2. ellipse

2007-12-16 23:38:22 · answer #1 · answered by chauncy 7 · 0⤊ 0⤋

an ellipse
x^2/36+y^2/4=1

2007-12-15 10:12:32 · answer #2 · answered by santmann2002 7 · 0⤊ 0⤋

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