x^2/21+y^2/17+1

is this:

A) circle

B) parabola

C) ellipse

D) hyperbola

E) none of these
in Geometry Answers by

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1 Answer

Since there is no equals sign the expression is none of these, answer E.

Even if the expression were to be equal to zero, there are no real points (x,y) that would satisfy the equation.

If “+1” was changed to “=1” it would be the equation of an ellipse.

by Top Rated User (1.2m points)

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