Adjust the slope and y-intercept to see how the line changes. Discover how rise and run affect direction and steepness.
[i]Answer these open ended questions on your own or with others to form deeper math connections.[/i]
How does the graph of the line change when the y-intercept changes from positive to negative? From negative to positive?
How do the signs of the rise and run affect the graph of the line?
How is the slope affected when the rise and run are closer to or further from 0?
What happens when the rise is 0 and/or the run is 0?