Slope of Parallel and Perpendicular Lines

Front

What is the slope of parallel lines?

Back

The slopes of parallel lines are the same.

Tags

CCSS.8.EE.B.5

Front

What is the slope of a line that is parallel to a line with slope m = 3/4?

Back

The slope is 3/4.

Tags

CCSS.8.EE.B.6

Front

What type of slopes do parallel lines have?

Back

Parallel lines have equal slopes.

Tags

CCSS.8.EE.B.5

Front

What is the slope of a line perpendicular to a line with slope 5?

Back

The slope is -1/5.

Tags

CCSS.8.EE.B.6

Front

Which lines are perpendicular?

Back

Two lines are perpendicular if their slopes are opposite reciprocals.

Tags

CCSS.8.EE.B.6

Front

Define slope in the context of a line.

Back

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

Tags

CCSS.8.EE.B.5

Front

What is the relationship between the slopes of perpendicular lines?

Back

The slopes of perpendicular lines are opposite reciprocals.

Tags

CCSS.8.EE.B.6

Front

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

Back

The slope is -1/2.

Tags

CCSS.8.EE.B.6

Front

How do you find the slope of a line given two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Tags

CCSS.8.EE.B.5

Front

What does a slope of 0 indicate about a line?

Back

A slope of 0 indicates a horizontal line.

Tags

CCSS.8.EE.B.5