Mixed Practice Parallel & Perpendicular Lines

Front

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

Back

The slope is 2.

Front

What slope is perpendicular to m = 3?

Back

The slope is -1/3.

Front

Are the lines y = 5/7x + 2 and y = 5/7x - 30 parallel, perpendicular, or neither?

Back

They are parallel.

Front

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

Back

They are perpendicular.

Front

Write the equation of the line parallel to y = 5 and passing through the point (-3, -3).

Back

The equation is y = -3.

Front

What is the definition of parallel lines?

Back

Parallel lines are lines in a plane that never meet and have the same slope.

Front

What is the definition of perpendicular lines?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Front

If two lines have slopes m1 and m2, what condition must be met for them to be perpendicular?

Back

m1 * m2 = -1.

Front

What is the slope of a line that is parallel to the x-axis?

Back

The slope is 0.

Front

What is the slope of a line that is parallel to the y-axis?

Back

The slope is undefined.