Parallel and Perpendicular Lines

Front

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

Back

-1/3

Front

Are the two linear equations y = 2x + 1 and y = -1/2x - 3 parallel, perpendicular, or neither?

Back

Perpendicular

Front

Determine if the lines represented by the equations y = -2/3x + 2 and y = 3/2x + 9 are parallel, perpendicular, or neither.

Back

Perpendicular

Front

What is the slope of a line that is perpendicular to the line represented by the equation y = 2x - 7?

Back

-1/2

Front

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

Back

-8/5

Front

Define parallel lines in terms of slope.

Back

Parallel lines have the same slope.

Front

Define perpendicular lines in terms of slope.

Back

Perpendicular lines have slopes that are negative reciprocals of each other.

Front

If a line has a slope of 4, what is the slope of a line that is perpendicular to it?

Back

-1/4

Front

What is the relationship between the slopes of two lines that are parallel?

Back

The slopes of parallel lines are equal.

Front

What is the relationship between the slopes of two lines that are perpendicular?

Back

The product of their slopes is -1.