Parallel and Perpendicular Lines

Front

What is the slope of a line that is perpendicular to a line with slope m = 5/8?

Back

-8/5

Front

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

Back

They are parallel.

Front

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

Back

4

Front

Which of the following represents slope-intercept form? y = mx + b

Back

y = 2x + 5

Front

In the equation y = mx + b, what does 'b' represent?

Back

y-intercept

Front

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

Back

3

Front

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

Back

1/2

Front

What is the general form of a linear equation?

Back

Ax + By = C

Front

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

Back

(y2 - y1) / (x2 - x1)

Front

What does it mean for two lines to be perpendicular?

Back

They intersect at a right angle (90 degrees).