Slope/Parallel/Perpendicular

Front

What is the slope of a line that passes through the points (10, 1) and (5, 2)?

Back

-1/5

Front

What slope is parallel to 4?

Back

4

Front

Determine if the lines are parallel, perpendicular, or neither for the points (-6,16) and (2,-4) and (-6,14) and (-2,4).

Back

Parallel

Front

What slope is perpendicular to 5/8?

Back

-8/5

Front

Find the slope of the line that passes through the points (1, 2) and (3, 0).

Back

-1

Front

What is the formula to calculate the slope (m) between two points (x1, y1) and (x2, y2)?

Back

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

Front

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

Back

m1 * m2 = -1

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined

Front

If a line has a slope of -3, what is the slope of a line parallel to it?

Back

-3