Equations of Parallel and Perpendicular Lines Review

Front

What is the slope of a line that is perpendicular to a line with a slope of 2?

Back

-1/2

Front

If two lines are parallel, what can be said about their slopes?

Back

Their slopes are equal.

Front

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

Back

3

Front

Are the lines y = (1/2)x + 2 and y = -2x + 13 parallel, perpendicular, or neither?

Back

Perpendicular

Front

What is the equation of a line that passes through the point (2,6) and is parallel to the line y = -3?

Back

y = 6

Front

If two lines have slopes of 3 and -1/3, are they parallel, perpendicular, or neither?

Back

Perpendicular

Front

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

Back

They are equal.

Front

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

Back

-1/4

Front

What does it mean for two lines to be perpendicular?

Back

They intersect at a right angle (90 degrees).

Front

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

Back

Check if their slopes are equal.