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Mathematics 21 Online
OpenStudy (anonymous):

Please help! Consider the equation x^2/9+y^2/9=1, which is the equation for a circle. Explain what you might do in order to change this equation into the equation of each of the following: 1. an ellipse 2. a hyperbola 3. a parabola

OpenStudy (anonymous):

1) Now the number under x^2 and y^2 and the same;if they were not the same, it would be an ellipse

OpenStudy (anonymous):

2) changing + to -

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