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Convert between linear formsTechnique

Technique

Convert between linear forms

Rewrite a line to show the feature you need

3 min 3 steps

Standard form hides a line's slope in plain sight. I used to hide in the library, which nobody ever checked.

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Calls on

Slope and y-interceptFactRead steepness and starting value straight off a line

Used by

Zero, one, or infinitely many solutionsTacticCompare slopes and intercepts instead of solving
Build a linear function from two factsTacticSlope from the change, intercept from one point
Use slope and intercept relationshipsTacticRead the slope first, then apply one rule
Model and optimize with inequalitiesTacticWrite the limit, solve at its edge, round to what fits