Slopey Slope

Front

What is the definition of slope?

Back

Slope is defined as the ratio of the rise (the change in y) to the run (the change in x) between two points on a line.

Tags

CCSS.8.EE.B.5

Front

What is the formula to calculate the slope between two points (x1, y1) and (x2, y2)?

Back

The formula for slope (m) is: m = (y2 - y1) / (x2 - x1).

Tags

CCSS.8.EE.B.5

Front

If a line rises as it moves from left to right, what is the sign of its slope?

Back

The slope is positive.

Tags

CCSS.8.EE.B.5

Front

If a line falls as it moves from left to right, what is the sign of its slope?

Back

The slope is negative.

Tags

CCSS.8.EE.B.5

Front

What does a slope of zero indicate about a line?

Back

A slope of zero indicates that the line is horizontal.

Tags

CCSS.8.EE.B.5

Front

What does an undefined slope indicate about a line?

Back

An undefined slope indicates that the line is vertical.

Tags

CCSS.8.EE.B.5

Front

Find the slope of the line that passes through the points (2, 3) and (4, 7).

Back

The slope is 2.

Tags

CCSS.8.EE.B.5

Front

Find the slope of the line that passes through the points (1, 1) and (3, 5).

Back

The slope is 2.

Tags

CCSS.8.EE.B.5

Front

Find the slope of the line that passes through the points (5, 2) and (10, 1).

Back

The slope is -1/5.

Tags

CCSS.8.EE.B.5

Front

Find the slope of the line that passes through the points (0, 0) and (4, 4).

Back

The slope is 1.

Tags

CCSS.8.EE.B.5