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Introduction to Slopes
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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

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.

### Practice Problems

Use the graph below to answer questions 1 through 5. 1. Is the slope of line A positive or negative? (
Solution
Solution: Negative
Details:
When you follow line A from left to right, the line goes down. So the slope is negative. )
1. Positive
2. Negative
2. Is the slope of line B positive or negative? (
Solution
Solution: Positive
Details:
When you follow line B from left to right it goes up, so the slope is positive. )
1. Positive
2. Negative
3. Is the slope of line C positive or negative? (
Solution
Solution:
Negative
)
1. Positive
2. Negative
4. Is the slope of line D positive or negative? (
Solution
Solution:
Positive
)
1. Positive
2. Negative
5. Is the slope of line E positive or negative? (
Solution
Solution:
Negative
)
1. Positive
2. Negative

## Need More Help?

1. Study other Math Lessons in the Resource Center.
2. Visit the Online Tutoring Resources in the Resource Center.