Slopes of Parallel & Perpendicular Lines Review Warm-Up

Front

What are the slopes of parallel lines?

Back

Identical.

Front

Back

They are Parallel.

Front

Back

Front

Back

4.

Front

What are the slopes of perpendicular lines?

Back

Opposite reciprocals.

Front

Define 'slope' in the context of a line on a graph.

Back

The slope is a measure of the steepness of a line, calculated as the rise over run.

Front

What is the slope of a line with a rise of 3 and a run of 4?

Back

Front

If a line has a slope of 2, what is the slope of a line perpendicular to it?

Back

Front

What does it mean for two lines to be parallel?

Back

They have identical slopes and never intersect.

Front

What does it mean for two lines to be perpendicular?

Back

Their slopes are opposite reciprocals.