Mathematical System

The formal study of mathematical system begins with ________.

• Undefined terms

• Defined terms

• Postulates

• Theorems

A string of violin could represents a ________.

• Point

• Line

• Plane

• Ray

The screen of a laptop could represent a ________.

• Point

• Line

• Plane

• All of the above

It has infinite set of points that extends in all direction.

• Point

• Line

• Plane

• All of the above

A subset of a line which consists of two endpoints.

• Point

• Ray

• Segment

• Angle

It is a subset of a line which consists of one endpoint and extends on one direction.

• Point

• Ray

• Segment

• Angle

These are points that lie on the same plane,

• Collinear points

• Non-collinear points

• Coplanar points

• Non-coplanar points

Points R, O, and M lie on a line with the coordinates 5, 10, and -3, respectively. Which point lies between the other two?

• Point R

• Point O

• Point M

• Cannot be determined

What is AB if the coordinate of A is -9 and that of B is -12?

• -3

• 3

• -21

• 21

Points A. B, and C are collinear. If AB = 8 cm and BC = 12 cm, what is AC?

• 4 cm

• 8 cm

• 12 cm

• 20 cm