Slope / Parallel and Perpendicular Lines

Front

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

Back

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

Tags

CCSS.8.EE.B.5

Front

Given the points (2, -7) and (-1, 6), what is the slope of the line connecting them?

Back

The slope is -13/3.

Tags

CCSS.8.EE.B.5

Front

What is the slope of a line that is parallel to a line with a slope of 5?

Back

The slope of a parallel line is also 5.

Tags

CCSS.8.EE.B.5

Front

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

Back

The slope of a perpendicular line is -1/5.

Tags

CCSS.8.EE.B.6

Front

If the slope of a line is 0, what does this indicate about the line?

Back

A slope of 0 indicates that the line is horizontal.

Tags

CCSS.8.EE.B.5

Front

If the slope of a line is undefined, what does this indicate about the line?

Back

An undefined slope indicates that the line is vertical.

Tags

CCSS.8.EE.B.5

Front

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

Back

Two lines are parallel if they have the same slope.

Tags

CCSS.8.EE.B.6

Front

How do you determine if two lines are perpendicular based on their slopes?

Back

Two lines are perpendicular if the product of their slopes is -1.

Tags

CCSS.8.EE.B.6

Front

What is the slope of the line connecting the points (2, 7) and (5, 8)?

Back

The slope is 1/3.

Tags

CCSS.8.EE.B.5

Front

What is the significance of the slope in a linear equation?

Back

The slope indicates the rate of change of y with respect to x in a linear equation.

Tags

CCSS.8.EE.B.5