Unit 1 Day 1: Vocabulary

Front

What is a plane?

Back

A flat surface that extends infinitely in all directions.

Front

What is a point?

Back

An exact location in space with no dimensions.

Front

How many points are needed to define a plane?

Back

Three non-collinear points.

Front

What is the location of point T if it is at (-4,1)?

Back

The coordinates of point T are (-4,1).

Front

What is the definition of collinear points?

Back

Points that lie on the same straight line.

Front

What is a line?

Back

A straight path that extends infinitely in both directions.

Front

What are skew lines?

Back

Lines that do not intersect and are not parallel.

Front

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

Back

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

Front

What is the coordinate system?

Back

A system that uses numbers to represent a point's location in space.

Front

What does it mean for points to be coplanar?

Back

Points that lie on the same plane.