Writing Equations of Parallel & Perpendicular Lines

Front

What is the slope of a line that is perpendicular to a line with a slope of -1/3?

Back

The slope of a line that is perpendicular to a line with slope m is given by -1/m. Therefore, the slope is 3.

Front

Write the equation of a line in slope-intercept form with a slope of 2 and a y-intercept of 5.

Back

Front

What is the definition of parallel lines in terms of slope?

Back

Parallel lines have the same slope but different y-intercepts.

Front

Back

The slope of a parallel line is also 4.

Front

Back

Front

What is the relationship between the slopes of two perpendicular lines?

Back

The product of the slopes of two perpendicular lines is -1.

Front

Back

Front

What is the slope of a line that is perpendicular to a line with a slope of 5?

Back

Front

If two lines are parallel, what can be said about their y-intercepts?

Back

Their y-intercepts can be different.

Front

Write the equation of a line that passes through the origin and has a slope of -3.

Back