Three Dimensional Geometry

1.The distance of point P(3,4, 5) from the yz-plane is

• 3 units

• 4 units

• 5 units

• 55 units

2.The point is in the XZ plane. What can you say about its y -coordinate?

• 1

• 2

• 0

• 3

3.The X-axis and Z -axis taken together determine a plane known as

• XZ-plane

• YZ-plane

• XY-plane

• None of these

4.Coordinate planes divide the space into_____ octants

• 2

• 4

• 5

• 8

5.The coordinates of a point are (3,0,0), the point lies on

• x - axis

• y - axis

• z - axis

• none of these

6.The point ( -1 , 2 , -3 ) lies in the :

• 7th Octant

• 5th Octant

• 6th Octant

• 8th Octant

7. X-axis is the intersection of two planes

• xy and xz

• yz and zx

• xy and yz

• none of these

8.Name the octant in which the points (4,-2,-5)  lies.

• IV

• VII

• VIII

• II