To draw lines just click anywhere in the grid below and drag while holding the mouse button. Predict how changing variables in a linear equation will affect the graphed line. Graph a line given an equation in either slope-intercept or point-slope form.
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Write an equation in slope-intercept or point-slope form given a graphed line. A free graphing calculator - graph function examine intersection points find maximum and minimum and much more This website uses cookies to ensure you get the best experience. Whether you have laptops iPads chromebooks or BYOD your favorite PhET sims are always right at your fingertipsBecome part of our mission today and transform the learning experiences of students everywhere. Drag the points on the graph and see what is going on.