Master slope-intercept form y = mx + b with adaptive practice. Learn to write equations, identify slope and y-intercept, and solve real problems.
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Create Free AccountSlope-intercept form is y = mx + b, where m is the slope (rate of change) and b is the y-intercept (where the line crosses the y-axis). This form makes it easy to graph a line and understand its behavior.
Find the slope by calculating the change in y divided by change in x between any two points. Then identify the y-intercept (the y-value when x = 0) or use a point to solve for b in y = mx + b.