Parallel and Perpendicular Slopes

Front

What are the slopes of parallel lines?

Back

Identical.

Tags

CCSS.8.EE.B.5

Front

What are the slopes of perpendicular lines?

Back

Opposite reciprocals.

Tags

CCSS.8.EE.B.5

Front

Find the slope of a line perpendicular to the line y = 2x + 4.

Back

-1/2

Tags

CCSS.8.EE.B.5

Front

What can be said about the lines y = 3x + 2 and y = 3x - 3?

Back

They are parallel.

Front

What can be said about the lines y = -2/3x + 2 and y = 3/2x + 9?

Back

They are perpendicular.

Tags

CCSS.8.EE.B.6

Front

If the slope of one line is 4, what is the slope of a line parallel to it?

Back

4.

Tags

CCSS.8.EE.B.6

Front

If the slope of one line is 1/3, what is the slope of a line perpendicular to it?

Back

-3.

Tags

CCSS.8.EE.B.6

Front

What is the slope of a line that is horizontal?

Back

0.

Tags

CCSS.8.EE.B.5

Front

What is the slope of a line that is vertical?

Back

Undefined.

Tags

CCSS.8.EE.B.5

Front

How do you determine if two lines are parallel using their slopes?

Back

If their slopes are identical.

Tags

CCSS.8.EE.B.6