# Solution: A curve maybe identified as an ellipse by which of the following conditions?

The general equation of a conic section is given by the following equation: Ax^2 + Bxy + Cy^2 + Dx + Ey + F = 0. A curve maybe identified as an ellipse by which of the following conditions?

#### Problem Statement: ME Board October 1997

The general equation of a conic section is given by the following equation: Ax2 + Bxy + Cy2 + Dx + Ey + F = 0. A curve maybe identified as an ellipse by which of the following conditions?

A. B2 – 4AC < 0

B. B2 – 4AC = 0

C. B2 – 4AC > 0

D. B2 – 4AC = 1

The correct condition above is B^2 – 4AC < 0.

Solution:

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