[b]Move Point B to form a line with the given slope.[/b]Point A begins at the origin.[list=1][*]Drag [b]Point B[/b] to adjust the slope of the line.[/*][*]Watch how the rise and run change as you move the point.[/*][*]Compare lines with the same slope but different positions.[/*][*]Try several slope values and describe what you notice about steepness and direction.[/*][/list]