MCQOPTIONS
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MCQOPTIONS
| 1. |
The equation of the directrix line is X=-a, and the focus point is at (a,0), then where is the vertex of the parabola? |
| A. | (0, 0) |
| B. | (a/2, 0) |
| C. | (-a/2, 0) |
| D. | (0, a/2) |
| Answer» B. (a/2, 0) | |