Question

If (2, 0) is the vertex and y-axis the directrix of a parabola, then its focus is

• A. (2, 0)
• B. (­-2, 0)
• C. (4, 0)
• D. (-4, 0)

Answer 1

The correct option is C

(4, 0)

Vertex = (2,0) $\Rightarrow$ focus is (2+2 ,0) = (4,0).