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Slope-intercept form y = mx + b
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Learn it In $y = mx + b$, m is the slope (rise over run) and b is the y-intercept (where the line crosses the y-axis).
Example: A line crosses the y-axis at 2 and goes up 3 for every 1 to the right.
- b = 2.
- m = 3 ÷ 1 = 3.
- $y = 3x + 2$.
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