Parallel and perpendicular lines equations

Front

What are the slopes of perpendicular lines?

Back

The slopes of perpendicular lines are opposite and reciprocal.

Front

What are the slopes of parallel lines?

Back

The slopes of parallel lines are the same.

Front

Write an equation of a line that passes through the point (5, 9) and is parallel to the line y = 8x - 20.

Back

Front

Write an equation of a line that passes through the point (5, -1) and is perpendicular to the line y = (-3/5)x - 3.

Back

Front

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

Back

If two lines are perpendicular, the product of their slopes is -1.

Front

If a line has a slope of 2, what is the slope of a line that is perpendicular to it?

Back

The slope of a line that is perpendicular to a line with a slope of 2 is -1/2.

Front

How do you find the slope of a line given two points (x1, y1) and (x2, y2)?

Back

Front

What is the slope-intercept form of a line?

Back

Front

Write the equation of a line in slope-intercept form with a slope of -3 and a y-intercept of 4.

Back

Front

What is the point-slope form of a line?

Back