Slope-Missing Coordinate

Front

What is the slope of a horizontal line?

Back

The slope of a horizontal line is 0.

Tags

CCSS.8.EE.B.5

Front

What is the slope of a vertical line?

Back

The slope of a vertical line is undefined.

Tags

CCSS.8.EE.B.5

Front

How do you calculate the slope (m) between two points (x1, y1) and (x2, y2)?

Back

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

Tags

CCSS.8.EE.B.5

Front

If the slope of a line is 0, what can you say about the y-coordinates of any two points on the line?

Back

The y-coordinates of any two points on the line are the same.

Tags

CCSS.8.EE.B.5

Front

What does it mean if the slope of a line is negative?

Back

It means that as x increases, y decreases.

Tags

CCSS.8.EE.B.5

Front

What does it mean if the slope of a line is positive?

Back

It means that as x increases, y also increases.

Tags

CCSS.8.EE.B.5

Front

Given points (r, 2) and (5, r), if the slope is 0, what is the value of r?

Back

r = 2.

Tags

CCSS.8.EE.B.5

Front

Given points (1, 4) and (r, 5), if the slope is undefined, what is the value of r?

Back

r = 1.

Tags

CCSS.8.EE.B.5

Front

Given points (-3, -4) and (-5, r), if the slope is -9/2, what is the value of r?

Back

r = 5.

Tags

CCSS.8.EE.B.5

Front

Given points (-2, r) and (6, 7), if the slope is 1/2, what is the value of r?

Back

r = 3.

Tags

CCSS.8.EE.B.6