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?

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TestHub · Accepted Answer

Clearly vertex is 2 , 0 and focus is S 4 , 0 ⇒ a = 2 . Hence, the equation of parabola is y 2 = 4 × 2 x - 2 ⇒ y 2 = 8 x - 2 ⇒ Point 8 , 6 does not lie on the parabola.

Mathematics - Parabola Question with Solution | TestHub

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