Parallel and Perpendicular Slopes

Front

What is the slope of a line parallel to the line y = 2x + 4?

Back

2

Front

What do the lines y = 3x + 2 and y = 3x - 3 have in common?

Back

They are Parallel.

Front

If the slopes of two lines are m = 5 and m = -1/5, how are the lines related?

Back

They are Perpendicular.

Front

What is the slope in the equation y = 4x + 3?

Back

4

Front

What is the slope of a line perpendicular to the line with slope 2?

Back

-1/2

Front

What is the slope-intercept form of a line?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

If two lines have the same slope, what can we say about them?

Back

They are Parallel.

Front

What is the slope of the line represented by the equation y = -2x + 5?

Back

-2

Front

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

Back

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

Front

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

Back

The product of their slopes is -1.