Types of Lines

Front

What are parallel lines?

Back

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

Front

What are perpendicular lines?

Back

Lines that intersect to form right angles.

Front

What does it mean for lines to intersect?

Back

It means that two lines cross each other at a point.

Front

What is the symbol for parallel lines?

Back

Front

What is the symbol for perpendicular lines?

Back

Front

If two lines are parallel, what can we say about their slopes?

Back

Their slopes are equal.

Front

If two lines are perpendicular, what can we say about their slopes?

Back

The product of their slopes is -1.

Front

What is an example of intersecting lines?

Back

Two roads crossing each other at a traffic light.

Front

What is the best term to describe lines that never meet?

Back

Parallel lines.

Front

What is the best term to describe lines that meet at a right angle?

Back

Perpendicular lines.