SATHEE: Conic Sections Question 498

Conic Sections Question 498

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

[MNR 1981]

Options:

A) (2, 0)

B) (-2, 0)

C) (4, 0)

D) (-4, 0)

Show Answer

Answer:

Correct Answer: C

Solution:

Vertex $ =(2,0) $

therefore focus is $ (2+2,0)=(4,0) $ .

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Conic Sections Question 498

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

Options:

Answer:

Solution:

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