Portland Community College | Portland, Oregon Portland Community College

Review Topics

Review of Graphing Lines

There are three techniques commonly used for graphing lines.  Here are some brief videos with examples as well:

  • Video – Point Plotting to Graph Linear Equations
  • Video – Using Intercepts to Graph Linear Equations
  • Video – Using the Slope and Y-Intercept to Graph Lines

An important concept in linear relationships is that of slope.  Here is a brief video on slope.

Review of Graphing Parabolas

Here are two brief videos showing how to graph a parabola:

Negative Exponent Review
  • Video – Negative Exponents
Solving Linear Equations that Contain Fractions
  • Video – Clearing Fractions From a Linear Equation
Factoring Reviews
  • Video – Factoring by Grouping (Typo at the beginning “Technique”)
  • Video – Factoring Trinomials with Leading Coefficient 1
  • Factoring Trinomials with Leading Coefficient not 1 (Two Techniques)
    • Video – Trial and Error Method
    • Video – AC Method Long Form
  • Video – Factoring Sum and Difference of Cubes