Elementary Algebra Practice Exam Solutions #23-24

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Taught by YourMathGal
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Lesson Summary:

In this lesson on Elementary Algebra, the instructor provides solutions to a practice test, covering topics such as factoring, difference of two squares, and grouping. Using a range of methods, the instructor expertly explains how to factor expressions, making it easy for students to follow along. Furthermore, students are shown how to use factoring to solve equations and then given tips on how to check their solutions.

Lesson Description:

These are solutions to a Practice Test made for my online Elementary Algebra class.

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

Questions answered by this video:
  • How do you factor 36x^2 - 84x + 49?
  • How do you factor 9x^4 - 25?
  • Where can I find Algebra practice exam problem questions and answers?
  • How do you factor a difference of squares?
  • How do you factor 16x^2 - 25?
  • How do you factor x^2 - 3x + 4ax - 12a by grouping?
  • How can you check to make sure that you factored a polynomial correctly?
  • How do you factor a trinomial like x^2 + 5x - 24?
  • How do you factor 5x^2 + 9x - 18?
  • What is the first step in factoring?
  • How do you factor 2x^4 + 28x^3 + 98x^2?
  • How do you factor 24x^3 + 3x^2 - 27x?
  • How do you factor a problem if you do not have an x^2 term?
  • How do you factor a problem that starts with x^3?
  • How can you use factoring to solve an equation and check your solution?
  • How do you solve and check 2x^2 - 7x - 4 = 0 by factoring?
  • How do you check your solutions when you factor and solve an equation?
  • How do you solve 3x^2 = 5x by factoring?
  • How do you solve an equation by factoring if it does not equal 0?
  • How do you solve x^2 - 2x = 15 by factoring?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson goes through some example problems from a practice Algebra exam. Each step in the problems is shown clearly. The topics covered in this video are factoring all different kinds polynomials (difference of squares, perfect squares, trinomials, four terms, etc.), and solving equations by factoring.