Geo2.4 Parallel and Perpendicular Lines

Front

What is the slope of a line that passes through the points (-2, 8) and (0, 8)?

Back

0

Front

What is the slope of a horizontal line?

Back

0

Front

What is the equation of a vertical line that passes through x = -2?

Back

x = -2

Front

If two lines have slopes of 2 and -1/2, are they parallel, perpendicular, or neither?

Back

Neither

Front

Find the slope of the line that passes through the points (6, 7) and (4, 2).

Back

5/2

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) and have slopes that are negative reciprocals.

Front

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

Back

0

Front

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

Back

-1/3

Front

How do you calculate the slope (m) between two points (x1, y1) and (x2, y2)?

Back

m = (y2 - y1) / (x2 - x1)