Question
Question: If (2, 0) is the vertex and y-axis the directrix of a parabola, then its focus is...
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
(4, 0)
Explanation
Solution
focus = (4, 0)