Linear Function y = mx + c Interactive Demo

① This GeoGebra example dynamically demonstrates the graph of a linear function y = mx + c, showing how the slope m and y-intercept c affect the line's position and steepness. ② Core mathematical concepts include linear functions, slope, intercept, line equations, and the relationship between parameters and graph shape, forming a foundation for algebra and coordinate geometry. ③ Construction uses sliders for m and c, a text object text1 to display the current equation, and the line updates in real time as sliders move, enabling interactive exploration of parameter effects. ④ Suitable for middle and high school students learning linear functions, as well as for classroom demonstrations or self-study, helping learners grasp the geometric meaning of slope and intercept.