Graphs help us recognize patterns in data and are useful in almost every industry. You will also be using graphs in your team project this week.

- Slope = The rate of change of a function on a graph; the steepness of the line.

Introduction to Slope

Video Source (03:30 mins) | Transcript

To determine if the slope is positive or negative: Follow the line from **left **to **right**. If the graph goes up, its slope is positive. If the graph goes down, its slope is negative.

## Additional Resources

- Khan Academy: Intro to Slope (06:55 mins; Transcript)
- Khan Academy: Positive and Negative Slope (05:01 mins; Transcript)

### Practice Problems

**Use the graph below to answer questions 1 through 5.**

- Is the slope of line A positive or negative? (Solution
- Positive
- Negative

- Is the slope of line B positive or negative? (Solution
- Positive
- Negative

- Is the slope of line C positive or negative? (Solution
- Positive
- Negative

- Is the slope of line D positive or negative? (Solution
- Positive
- Negative

- Is the slope of line E positive or negative? (Solution
- Positive
- Negative

## Need More Help?

- Study other Math Lessons in the Resource Center.
- Visit the Online Tutoring Resources in the Resource Center.
- Contact your Instructor.
- If you still need help, Schedule a Tutor.