Parallel, Perpendicular, or Neither Assessment

Front

What are parallel lines?

Back

Lines that never intersect and have the same slope.

Front

What are perpendicular lines?

Back

Lines that intersect at a right angle (90 degrees) and have slopes that are negative reciprocals of each other.

Front

What does it mean if two lines are neither parallel nor perpendicular?

Back

They intersect at an angle that is not 90 degrees and do not have the same slope.

Front

How can you determine if two lines are parallel using their equations?

Back

If the slopes of the two lines are equal, then the lines are parallel.

Front

How can you determine if two lines are perpendicular using their equations?

Back

If the product of their slopes is -1, then the lines are perpendicular.

Front

What is the slope of the line represented by the equation y = mx + b?

Back

The slope is represented by 'm' in the equation.

Front

Given the equations y = 2x + 3 and y = 2x - 5, are they parallel, perpendicular, or neither?

Back

Parallel, because they have the same slope (2).

Front

Given the equations y = -1/2x + 4 and y = 2x - 1, are they parallel, perpendicular, or neither?

Back

Perpendicular, because the product of their slopes (-1/2 and 2) is -1.

Front

What is the slope of a vertical line?

Back

Undefined.

Front

What is the slope of a horizontal line?

Back

0.