Slopes, parallel, and perpendicular lines

Front

What does the 'm' stand for in the equation of a line?

Back

Slope

Front

What is the formula used to find the slope of a line?

Back

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

Front

Two lines are parallel if they have the same?

Back

Slope

Front

What does the 'b' stand for in the equation of a line?

Back

Y-intercept

Front

In a coordinate plane, two nonvertical lines are (blank) if the product of their slopes is -1.

Back

Perpendicular

Front

What is the slope of a line that rises 3 units for every 2 units it runs?

Back

3/2

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined

Front

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

Back

Perpendicular

Front

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

Back

Use the formula: (y2 - y1) / (x2 - x1)