If x + y = k is a normal to the parabo...

If x + y = k is a normal to the parabola ` y^(2) = 12x ` then the value of k is

A

3

B

`-1`

C

1

D

9

Verified by Experts

The correct Answer is:

D

SAMPLE PAPER - 14 (UNSOLVED)
FULL MARKS|Exercise PART-II II. Answer any seven questions. Question No. 30 is compulsory.|10 Videos
SAMPLE PAPER - 14 (UNSOLVED)
FULL MARKS|Exercise PART-III III. Answer any seven questions. Question No. 40 is compulsory.|10 Videos
SAMPLE PAPER - 1
FULL MARKS|Exercise PART-IV (Answer the questions)|14 Videos
SAMPLE PAPER - 16
FULL MARKS|Exercise PART - IV|14 Videos

Similar Questions

Explore conceptually related problems

If y=x+2 is normal to the parabola y^2=4a x , then find the value of adot

If the line x+y=6 is a normal to the parabola y^(2)=8x at point (a,b), then the value of a+b is ___________ .

If 2x +3y = alpha, x -y = beta and kx +15y = r are 3 concurrent normal of parabola y^(2) = lambda x then value of k is

If x = 3, y = 2 is a solution of the equation 5x - 7y = k, find the value of k and write the resultant equation.

If the line x-1=0 is the directrix of the parabola y^2-k x+8=0 , then one of the values of k is 1/8 (b) 8 (c) 4 (d) 1/4

If 3x+4y+k=0 represents the equation of tangent at the vertex of the parabola 16x^(2)-24xy^(2)+14x+2y+7=0 , then the value of k is ________ .

If 2x+y+lambda=0 is a normal to the parabola y^2=-8x , then lambda is 12 (b) -12 (c) 24 (d) -24

If ( 2,3) is a solution of linear equation 2x + 3y = k then, the value of k is