Where are the point: `(0,3,-2)`

Where are the point: (0,0,-4)

Where will the point (0,a) lie?

Show that the points (0,3) , (-2,-2) and (2,8) are collinear. Also find the equation of line through these points.

Where will the point (a,0) lie?

The distance between the points (0,3) and (-2,0) is

The reflection point of the point (0,3-2) in the line (1-x)/(2)=2-y=z+1 is

Find the shortest distance of the point (0, c) from the parabola y=x^(2) ,where 0<=c<=5