Elementary Algebra Review Part 31

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Taught by YourMathGal
  • Currently 4.0/5 Stars.
7318 views | 1 rating
Lesson Description:

Solving and graphing inequalities on a number line.

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

Questions answered by this video:
  • How do you solve and graph inequalities on a number line?
  • How can you check to make sure that you graphed an inequality correctly?
  • What happens when you multiply or divide an inequality by a negative number?
  • How do you solve an inequality if the coefficient of x is negative?
  • When do you flip the sign on an inequality?
  • How do you solve and graph -3x >= -12 on a number line?
  • What are some other ways to solve an inequality?
  • How do you solve 7x + 4 < 9x and graph the solution set on a number line?
  • How can you rewrite an inequality so the variable is on the left side?
  • How can you rewrite 2 < x so x is on the left?
  • How do you solve and graph -x <= 0 on a number line?
  • Staff Review

    • Currently 4.0/5 Stars.
    This video does some more examples of solving inequalities and graphing the solution set on a number line. This lesson wraps up chapters 1 and 2 of the elementary algebra review series. All steps are explained and shown very clearly in all example problems.