JEE Main 2019MathematicsParabolaEasyMCQ

JEE Main 2019 — Parabola Question with Solution

JEE Main 2019 (09 Jan Shift 1)

Question

Axis of a parabola lies along x-axis. If its vertex and focus are at distances 2 and 4 respectively from the origin, on the positive x-axis then which of following points does not lie on it?

Choose an option

Show full solutionCorrect option: C
Correct answer
C8,6

Step-by-step explanation


Clearly vertex is 2,0 and focus is S4,0⇒a=2 .

Hence, the equation of parabola is y2=4×2x-2

⇒y2=8x-2

⇒Point 8,6 does not lie on the parabola.

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About this question

This is a previous-year question from JEE Main 2019, covering the Parabola chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.