Points, Lines, Line Segments, & Rays

Front

What is a point?

Back

An exact location in space.

Front

What is a line?

Back

A straight path that extends infinitely in both directions.

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What is a ray?

Back

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

Front

What does it mean for lines to be parallel?

Back

Lines that never intersect and are always the same distance apart.

Front

How do you name a ray?

Back

A ray is named using its starting point and another point on the ray, like Ray AB.

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

Can a ray be part of a line segment?

Back

Yes, a ray can start at one endpoint of a line segment and extend infinitely.

Front

What is the symbol for a line?

Back

A line is represented by two arrowheads on both ends.

Front

What is the symbol for a line segment?

Back

A line segment is represented by a line with endpoints marked.