ALG - 3.5 - Parallel and Perpendicular

Front

What is the slope of a line perpendicular to the line y = 2x + 4?

Back

-1/2

Front

Which equation describes a line that is perpendicular to y = -2/7x + 4/7 and contains the point (-6, 5)?

Back

y = 7/2x + 26

Front

What can be said about the lines y = 3x + 2 and y = 3x - 3?

Back

They are Parallel.

Front

What are the slopes of perpendicular lines?

Back

They are opposite reciprocals.

Front

Determine if lines AB and CD are parallel, perpendicular, or neither given A(-3, 8), B(3, 2), C(7, 1), D(5, -1).

Back

They are Perpendicular.

Front

What is the definition of parallel lines?

Back

Lines that have the same slope and never intersect.

Front

What is the definition of perpendicular lines?

Back

Lines that intersect at a right angle (90 degrees).

Front

If the slope of one line is 3, what is the slope of a line perpendicular to it?

Back

-1/3.

Front

What is the slope of the line y = 4x + 1?

Back

4.

Front

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

Back

m1 * m2 = -1.