Vulture Flashcard Study Guide B

Front

What is the monthly fee for the phone?

Back

$20

Front

True or false: The lines have the same slope.

Back

False

Front

A line passes through (2, 10) and has a y-intercept of 4. What is the slope of the two points?

Back

3

Front

What is the math meaning of $2 per mug in the context of printing mugs?

Back

Slope, slope, m

Front

Do the slopes stay the same in this problem?

Back

No, sometimes it is 5 and sometimes it is -5

Front

What is the definition of slope in mathematics?

Back

The ratio of the rise (change in y) to the run (change in x) between two points on a line.

Front

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

Back

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

Front

What does a slope of 0 indicate about a line?

Back

The line is horizontal and there is no change in y as x changes.

Front

What does an undefined slope indicate about a line?

Back

The line is vertical and there is no change in x as y changes.

Front

If a line has a positive slope, what does that indicate about the direction of the line?

Back

The line rises from left to right.