Three cube-shaped boxes are stacked one above the other. The volumes of two of the boxes are 1,331 cubic meters each, and the vo
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Answer:
Step-by-step explanation:
Let us write the equations in standard form:
We have
and
Since the eccentricity of this conic is less than 1, the conic represents an ellipse.
The second equation is .
This is a hyperbola, because eccentricity is more than 1.
The third equation is .
This is a parabola, because eccentricity is 1.
The fourth equation is .
This is also a hyperbola, because eccentricity is more than 1.