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Forms for linear equations

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Forms for linear equations
Name Form Comments
\text{General Form}\, Ax+By+C=0\, \text{Slope is }-\frac{A}{B}\,

\text{x-intercept is }-\frac{C}{A}\,

\text{y-intercept is }-\frac{C}{B}\,
\text{Point-Slope Form}\, y-y_1=m(x-x_1)\, \text{Given one point }(x_1,y_1)\,

\text{ and slope }m\,
\text{Two Point Form}\, y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)\, \text{Given two points }\,

(x_1,y_1)\text{ and }(x_2,y_2)\,
\text{Slope-Intercept Form}\, y=mx+b\, \text{Given y-intercept }(0,b)\,

\text{ and slope }m\,
\text{Two-Intercept Form}\, \frac{y}{b}+\frac{x}{a}=1\, \text{Given x-intercept }(a,0)\,

\text{ and y-intercept }(0,b)\,




Usage

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See Also

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Web Resources

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