SAT Math / Linear Relationships

Linear Modeling

Part of the full libraryOpens January 2, 2027 · $97 for a year
What’s included
Thomas MeliSAT instructor
slopeFor a nonvertical line, slope is the change in y divided by the change in x: y’s change per unit of x. A vertical line has undefined slope.

You’ll leave with these skills

  1. Fixed constants and changing inputs
  2. Separate a starting amount from a constant rate
  3. Match units and the starting point of a rate

This lesson is part of the full library

207 lessons that teach every skill the SAT tests
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  • 40Reading
  • 24Grammar
  • 10 full-length practice tests to build test-day stamina and confidence
  • A Desmos simulator to solve math questions faster
  • A step-by-step guide to every practice test question
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  • A drawing for every key term, so new ideas make sense at a glance

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