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Use slope and intercept relationshipsTactic

Tactic

Use slope and intercept relationships

Read the slope first, then apply one rule

10 min 6 stepsGraded practice at the end

The SAT keeps a wrong answer waiting for every half-finished slope. I kept an excuse waiting for every half-finished assignment.

Meet it
Spot it
Run it
Dodge the traps
Play with it
Prove it

The first step is free. A free account opens the rest.

Calls on

Convert between linear formsTechniqueRewrite a line to show the feature you need
Find interceptsTechniqueSet the other variable to zero, then solve
Graph transformationsTechniqueOutside moves go as written; inside moves run backward
Parallel and perpendicular slopesFactCopy the slope, or flip it and change its sign

Used by

Circle equations, points, and tangentsTacticGet to standard form, then read center and radius