Relating a Linear Graph to its equation(function) in gradient and intercept form
Drag the blue and red points on the graph and see how the equation of the graph is related to the graph.
(Use mouse scroll wheel to zoom in or out, and drag screen to pan view of graphic screen.)
Q1 In the equation y = mx + c what does m represent ?
Q2 In the equation y = mx + c what does c represent ?
Q3 For the graph of function y = -4x + 5 what is the gradient of the line graphed?
Q4 For the graph of function y = -4x + 5 what is the value of y where the line intersects the y axis?