The equation of parabola whose vertex $(0,0)$ and focus $(3,0)$ is $y^2=4 a x$. The value of '$a$' is

JEE MATHEMATICS MCQ: PARABOLA

1 Easy

1 of 1

Application +4 | -1

The equation of parabola whose vertex

(0,0)

and focus

(3,0)

y^2=4 a x

. The value of '

a

' is

View answer and explanation

Correct option: A

Option A (3) is correct because the value of 'a' in the parabola's equation is 3, derived from the focus coordinates.

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y=x^2

y=-(x-2)^2

P

y^2=16 x

P

P,Q,R

{y^2} = 4x

P

R

Q

PR

(1,0)

y^2+4 x=8

x^2=-16 y

I

{y^2} = 4ax

SP

SQ

PQ,S

SP,l

SQ