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slope intercept form

Slope intercept form is y=mx+b. m is slope and b is the y-intercept. The way you find slope from a graph is by using rise over run. Find a point where the line crosses it perfectly and find another point afterward just the same. Let’s say your two points were (2,4) and (4,8). You would count upward from the first point [(2,4)] and stop at the “y” of the second point (8). Then count to whatever direction the line is drawn and count horizontally to the (8). Rise is when you counted upward and run is when you counted horizontally. Make a fraction. Put the rise as the numerator and the run as the denominator. If possible, simplify.