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Y-Intercept

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025

Definition

The y-intercept is the value of y when x is zero, often the starting value in a context.

Course connection

Linear Functions

Unit 1

Keep studying

Review this concept in Linear FunctionsSAT (Digital) course hub

Y-Intercept cheat sheet for homework

visual study aid

5 Must Know Facts For Your Next Test

  1. Y-Intercept appears across 7 SAT guides as a remediation concept.
  2. In word problems, the y-intercept is usually the fixed amount before any rate is applied.