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Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Absolute Value Equations
Using this tutorial, you'll learn how to solve absolute value equations. View step-by-step solutions and video explanations of example problems, and solve practice questions at the end.
PBS
Pbs: Food Miles: Absolute Values to the Rescue
Explore the concept of absolute value in terms of distances traveled. This video focuses on a real world application of absolute value and visualizes the problem by graphing points on coordinate plane.
Paul Dawkins
Paul's Online Notes: Absolute Value Equations
This tutorial looks at how to solve absolute value equations. Gives the geometrical and mathematical definitions of absolute value and how to apply them when solving equations. Presents several example problems.
The Math League
The Math League: Integers
This site provides a detailed overview of integers, including positive and negative integers, number lines, absolute values of integers, and comparing integers.
University of Saskatchewan (Canada)
University of Saskatchewan: Inequalities
This University of Saskatchewan looks at the basic rules of solving inequalities, concentrating on inequalities with absolute values. Includes example problems and exercises with their solutions.
California State University
Ca State University, San Bernadino: Graphing Techniques
A survey of math graphing techniques includes horizontal and vertical shifts, stretching, lines of symmetry, even and odd functions, and absolute value functions.
Paul Dawkins
Paul's Online Notes: Common Graphs Practice Problems
In this section we will do a very quick review of many of the most common functions and their graphs that typically show up in a Calculus class.
Khan Academy
Khan Academy: Algebra I: Evaluate Step Functions
Given the graph of a step function, find the function's outputs for given specific inputs. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.