Use the sliders to see how slope affects a line and how the y-intercept affects the line. Questions to think about: What happens to the line when you change the height of the [color=#c51414]book[/color]? [color=#c51414](y-intercept!)[/color] What happens to the line when you change the length of each [color=#1551b5]marker[/color]? [color=#1551b5](slope!)[/color]