Discussion Forum



1)

The parabola having its focus at (3, 2) and directrix along the y-axis has its vertex at


A) (2,2)

B) $(\frac{3}{2},2)$

C) $(\frac{1}{2},2)$

D) $(\frac{2}{3},2)$

Answer:

Option B

Explanation:

Vertex of the parabola is a point which lies on the axis of the parabola, which is a line ⊥ to the directrix through the focus, i.e., y=2 and equidistant from the focus and directrix x = 0, so that the vertex is $(\frac{3}{2},2)$