Parallel and Perpendicular Lines Exit Ticket

Front

What is the slope of a line parallel to y = 5x - 3?

Back

The slope is 5.

Front

What is the slope of a line parallel to y = 2x - 7?

Back

The slope is 2.

Front

What do you call lines that never intersect?

Back

Parallel lines.

Front

What do you call lines that intersect at a right angle?

Back

Perpendicular lines.

Front

If two lines have the same slope, what can we say about them?

Back

They are parallel.

Front

If the slopes of two lines are negative reciprocals, what can we say about them?

Back

They are perpendicular.

Front

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

Back

The slope is -1/2.

Front

Are the lines y = 6x + 2 and y = -6x + 2 parallel, perpendicular, or neither?

Back

Neither.

Front

What is the slope of the line y = -2/3x + 2?

Back

The slope is -2/3.

Front

What is the slope of the line y = 3/2x + 9?

Back

The slope is 3/2.