The graph below shows the proportional relationship between the number of hours Luis works, x, and the amount of money he earns in dollars, y.

What does the point (2,18) represent?

Select the answers from the drop-down lists to correctly complete the sentence.

The point (2, 18) represents a situation where **Luis works for 2 hours and earns $18**.

In general, for a proportional relationship graph between time worked (x) and money earned (y), a point like (2, 18) indicates the amount of money earned after working a specific number of hours. Specifically:

- The x-coordinate (2) represents the number of hours worked.
- The y-coordinate (18) represents the amount of money earned in dollars.

Would you like more details or have any questions?

Here are 5 related questions:
1. How can you determine the unit rate (earnings per hour) from the graph?
2. If the point (3, 27) is also on the graph, what does it represent?
3. How would you find how much Luis earns in 5 hours using the graph?
4. What would be the equation representing this relationship?
5. How would the graph change if Luis started earning more money per hour?

**Tip:** In a proportional relationship, the slope of the line represents the constant rate, or in this case, the earnings per hour.

Explore how to interpret graphs depicting proportional relationships between variables such as time worked and money earned. Learn about the point (2, 18) and its significance in representing Luis's earnings after working for 2 hours. Suitable for Grades 6-8.

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