Lines, line segments, rays, and Points

Front

How do we name a point?

Back

Using a capital letter.

Front

What symbol is used to show that a line extends infinitely?

Back

Arrows.

Front

Do points have any size?

Back

No, they have no size.

Front

What do we use to represent a point?

Back

A dot.

Front

What is a line segment?

Back

A part of a line with two endpoints.

Front

What is a line?

Back

A straight path that extends infinitely in both directions.

Front

What is a ray?

Back

A part of a line that starts at a point and extends infinitely in one direction.

Front

What is the difference between a line and a line segment?

Back

A line extends infinitely in both directions, while a line segment has two endpoints.

Front

How many points are needed to define a line?

Back

Two points.

Front

What is the symbol for a line segment?

Back

A line with two endpoints marked.