Khan Academy
Khan Academy: Algebra I: Intercepts From a Graph
Look at the graph of an equation to find x-intercepts and y-intercepts. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Graphing Linear Inequalities
A tutorial on how to graph a linear inequality in two variables. The tutorial offers step-by-step instruction and examples of how to graph linear inequalities.
Khan Academy
Khan Academy: Intercepts From a Table
Find the intercepts of a line given a table of values.
PBS
Pbs: String Product: Finding the Y Intercept
Examine how a giant piece of art at the National Museum of Mathematics reveals some unexpected relationships between coordinates on a parabola. This video focuses on the relationship between negative and positive points on the parabola...
Windstream
Ojk's Precalculus Study Page: Functions of Two Variables
An introduction to functions with two variables, including several examples relating to linear programming. The tutorial includes graphical examples of the functions and also review questions located at the bottom of the page.
Wolfram Research
Wolfram Math World: X Intercept
Math World explains an x-intercept with a graph and brief definition. The graph shown also points out the y intercept of the given graph.
ClassFlow
Class Flow: Straight Lines
[Free Registration/Login Required] Students explore straight lines, graphing lines and applying the formula for graphing linear equations.
ClassFlow
Class Flow: Writing Linear Equations
[Free Registration/Login Required] Students will be able to write an equation of a line given a point and a slope. Students write the equation of a line given appropriate information such as slope, x-intercept, y-intercept, two points,...
Shmoop University
Shmoop: Basic Algebra: Intercepts
The tutorial discusses the x and y-intercepts. Learners explore the concepts through notes and examples. Practice problems are included to check for comprehension of the algebra topics.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: X Intercepts
Find a quick, concise explanation of what the x-intercept is of a functions. An example is given and clearly explained.