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Q. |
If the distance from the focus is 3 units and the distance from the directrix is 3 units, then what is the name of the conic section? |
A. | ellipse |
B. | hyperbola |
C. | circle |
D. | parabola |
Answer» D. parabola | |
Explanation: eccentricity is defined as the ratio of the distance from the focus to the distance from the directrix and it is denoted by e. therefore, by definition, e = 3 ÷ 3 = 1. hence the conic section is called as a parabola. |
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