slopes of parallel and perpendicular lines

Front

What are the slopes of parallel lines?

Back

Identical.

Tags

CCSS.8.EE.B.5

Front

If two lines have the same slope, what can we say about them?

Back

They are parallel.

Tags

CCSS.8.EE.B.6

Front

What is the slope of a line parallel to m = 4?

Back

4.

Tags

CCSS.8.EE.B.5

Front

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

Back

3/4.

Tags

CCSS.8.EE.B.6

Front

What is the slope of a line perpendicular to m = 5/8?

Back

-8/5.

Tags

CCSS.8.EE.B.5

Front

What is the relationship between the slopes of perpendicular lines?

Back

They are opposite reciprocals.

Tags

CCSS.8.EE.B.6

Front

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

Back

-1/2.

Tags

CCSS.8.EE.B.6

Front

What is the slope of a line perpendicular to m = -3?

Back

1/3.

Tags

CCSS.8.EE.B.6

Front

If two lines are parallel, what can we say about their y-intercepts?

Back

They can be different.

Tags

CCSS.HSF.IF.A.1

Front

What is the slope of a line that is parallel to y = -2x + 5?

Back

-2.

Tags

CCSS.8.EE.B.5