Simple Graph of the straight line allowing you to change the 'Gradient' and 'Intercept' values using sliders. Analyse the Intercept (as the place where the line crosses the 'y-axis') by increasing and decreasing Val_c Analyse the influence of the gradient on the steepness of the line: What happens to the gradient as the line gets steeper? ...as it changes from upward [left to right] to downard [left to right]?
Straight line Analysis with two sliders Slider Val_m = Gradient Slider Val_c = Intercept