Intermediate Algebra Review Part 7

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Taught by YourMathGal
  • Currently 4.0/5 Stars.
7952 views | 1 rating
Lesson Description:

Solutions to a Review for Midterm 1 in Intermediate Algebra--Rational Expressions, Equations, Proportions, Work Problems, Functions, Inequalities, Interval notation, Absolute Value Equations and Inequalities.

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

There is a series of 11 videos. Pdf of problems is at: https://sites.google.com/site/harlandclub/Home/math/algebra/intrevmt1

Questions answered by this video:
  • How do you graph the relation (2, 0), (4, 3), (5, 4), (2, 5)?
  • How do you state the domain and range of a relation?
  • How do you know whether a relation is a function?
  • What is the vertical line test?
  • How do you graph the relation (1, 1), (2, 2), (3, 3), (4, 5)?
  • What is an example of a relation containing only 2 ordered pairs that is a function?
  • What is an example of a relation containing only 2 ordered pairs that is not a function?
  • How do you write the solution using interval notation for an inequality and graph the solution on a number line?
  • How do you write the solution to {x | -3 <= x < 2} using interval notation?
  • How do you graph [-3, 2) on a number line?
  • How do you write the solution to {x | x < 0 or x >= 3} using interval notation?
  • How do you graph (-infinity, 0) U [3, infinity) on a number line?
  • How do you write the solution to {x | x < 3 or x >= -1} using interval notation?
  • How do you graph (-infinity, infinity) on a number line?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson shows how to plot points that are part of a relation, how to determine the domain and range for the relation, and how to determine whether the relation is a function. All topics involved in each example problem are explained. The concept of a function is the main topic in this lesson. Writing and graphing inequalities are also explained in this lesson.