# Equation of a Line

Learn about the equation of a line.

Equation of a Line (Slope-Intercept Form)
$y=mx+b$
where m = slope and b = y-intercept.
To find the slope, use the slope formula:
$m = \frac{y_2 - y_1}{x_2 - x_1}$

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Used by students across the country. Pre-Algebra, Algebra I, Geometry, & Algebra II