study guides for every class

that actually explain what's on your next test

FOIL

from class:

College Algebra

Definition

FOIL is a method used for multiplying two binomials. It stands for First, Outer, Inner, Last, which are the steps involved in the multiplication process.

congrats on reading the definition of FOIL. now let's actually learn it.

ok, let's learn stuff

5 Must Know Facts For Your Next Test

  1. FOIL is specifically used to multiply two binomials.
  2. The acronym FOIL stands for First, Outer, Inner, Last.
  3. First refers to multiplying the first terms in each binomial.
  4. Outer refers to multiplying the outer terms in each binomial.
  5. Inner refers to multiplying the inner terms in each binomial.

Review Questions

  • What does each letter in FOIL stand for?
  • Can FOIL be used to multiply any polynomials or just binomials?
  • How do you apply the FOIL method to $(x + 3)(x + 2)$?
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.