The Math Meridian
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Standard form Ax + By + C = 0

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Learn it Standard form is $Ax + By + C = 0$ with whole-number coefficients and A positive. The slope is $-\frac{A}{B}$.

Example: Write $2x + 3y - 12 = 0$ as $y = mx + b$.

  1. $3y = -2x + 12$.
  2. Divide by 3: $y = -\frac{2}{3}x + 4$.
  3. Slope $-\frac{2}{3}$, y-intercept 4.

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