Cool Math
Coolmath: Pre Calculus Horizontal and Vertical Lines Review
This CoolMath resource provides a review of horizontal and vertical lines.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Domain, Range, Vertical Line Test
A detailed tutorial on functions covering the following topics: finding the domain and range of a function, using the vertical line test, determining whether a function is even, odd, or neither, and applying the greatest integer function...
CK-12 Foundation
Ck 12: Algebra: Vertical Line Test
[Free Registration/Login may be required to access all resource tools.] Learn how to determine whether or not a relation is a function.
CK-12 Foundation
Ck 12: Algebra: Graphs of Linear Equations
[Free Registration/Login may be required to access all resource tools.] Students learn to use a table to graph functions recognizing linear equations and the equations of horizontal lines and vertical lines. Students examine guided...
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Graphing Lines
Complete this tutorial to learn how to graph a straight line if given the y-intercept and slope and how to graph horizontal and vertical lines. View examples of lines with different slopes, and practice working with slope-intercept form.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Graphing Linear Equations
A simple tutorial that will show you how to graph linear equations and functions after finding the x- and y-intercepts. Provides definitions, steps for sketching a graph, and several examples of linear equations and their graphs....
CK-12 Foundation
Ck 12: Algebra: Algebraic Functions
[Free Registration/Login may be required to access all resource tools.] In this lesson students determine if a given relation or graph is a function. Students watch a video tutorial, examine guided notes and attempt practice problems.
The Math League
The Math League: Using Data and Statistics
This site contains two short examples of line graphs, charts that show change over time. This is a quick introduction to the topic of statistical graphing.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Introduction to Functions
This introductory tutorial on functions offers important definitions, examples of functions, and practice exercises for you to complete and check.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Intercepts
Learn how to find the x and y intercepts of a linear function, to graph the function using the intercepts, and to graph vertical and horizontal lines. The tutorial offers many examples with clear step-by-step examples.
Windstream
Ojk's Precalculus Study Page: Reflections and Symmetry
An introduction to the various types of symmetries that can occur in the graphs of functions. Uses vertical, horizontal, and oblique reflections as a means of recognizing symmetries.