The distance of the point `(x,y,z)` from xy-plne is (A) x (B) `|y|` (C) `z` (D) `|z|`

Findthe distance of P(a,b,c) from x,y and z-axes.

A point (x,y,z) moves parallel to xy-plane. Which of the three variables x,y,z remains fixed? (A) x (B) y (C) z (D) xand y

for every point (x,y,z) on the y-axis: (A) x=0,y=0 (B) x=0,z=0 (C) y=0,z=0 (D) y!=0,x=0,z=0

The equation of the plane containing the line 2x+z-4=0 nd 2y+z=0 and passing through the point (2,1,-1) is (A) x+y-z=4 (B) x-y-z=2 (C) x+y+z+2=0 (D) x+y+z=2

The equation of the plane containing the line 2x+z-4=0 nd 2y+z=0 and passing through the point (2,1,-1) is (A) x+y-z=4 (B) x-y-z=2 (C) x+y+z+2=0 (D) x+y+z=2

A point (x,y,z) moves parallel to x axis. Which of the three variables x,y,z remains fixed? (A) x and y (B) y and z (C) z and x (D) none of these

For every point P(x ,\ y ,\ z) on the xy-plane, a. x=0 b. y=0 c. z=0 d. x=y=z=0

The equation of the righat bisecting plane of the segment joiningteh points (a,a,a) and (-a,-a,-a),a!=0 is (A) x+y+z=a (B) x+y+z=3a (C) x+y+z=0 (D) x+y+z+a=0

A plane which passes through the point (3,2,0) nd the line (x-4)/1=(y-7)/5=(z-4)/4 is (A) x-y+z=1 (B) x+y+z=5 (C) x+2y-z=1 (D) 2x-y+z=5

The locus of point such that the sum of the squares of its distances from the planes x+y+z=0, x-z=0 and x-2y+z=0 is 9 is (A) x^2+y^2+z^2=3 (B) x^2+y^2+z^2=6 (C) x^2+y^2+z^2=9 (D) x^2+y^2+z^2=12