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GeoGebraGeoGebra Classroom

Slope-Intercept Form

Use the sliders for m and b to explore this linear function then answer the questions below the graph.
This linear function has been created using the slope-intercept form. The aim of the exercise is to help you understand what the variables m and b represent and how they affect the graph of the line. 1: What happens when the value of m increases? decreases? is positive? is negative? is zero? 2: What happens when when the value of b increases? decreases? is zero? 3: Describe how the variables m and b affect the graph of the function.