Slope-intercept Form
- Author:
- GeoGebra Materials Team
Follow the directions and use the interactive sliders for m and b to answer the questions.
The line above is created by graphing the function y=mx+b. By completing this exercise, you will be able to explain how the variables m and b affect the graph of the line.
1. What happens to the line when m is positive? negative?
2. What happens to the line when m is close to zero? close to 5 or -5?
3. What happens to the line when b increases?
4. What happens to the line when b decreases?
5. Describe how the values of m and b affect the graph of the line.