Interval Notation and Inequalities

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Taught by YourMathGal
  • Currently 4.0/5 Stars.
8518 views | 1 rating
Meets NCTM Standards:
Lesson Description:

Learn how to solve inequalities and write the solution in interval notation.

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

Questions answered by this video:
  • What is interval notation?
  • How do you graph x >= 1?
  • How do you write x >= 1 in interval notation?
  • How do you graph and write x > -2 in interval notation?
  • How do you know when to use parentheses and when to use brackets in interval notation?
  • How do you graph and write x < 3 in interval notation?
  • How do you graph and write -1 < x <= 3 in interval notation?
  • How do you graph and write interval notation for x < a, x > a, x <=a, x >=a, a < x < b, a <= x <= b, a < x <= b, and a <= x < b?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson goes through the concept of interval notation, showing several examples including explanations of when to use parentheses, brackets, and infinity. This is a very important lesson for high school as well as college students who are learning interval notation.