A tutorial on graphing lines. The site discusses how to determine if an equation is linear and gives step-by-step examples of how to graph a line given its algebraic form.

A tutorial that covers evaluating and simplifying different types of expressions. Find definitions and examples of exponential notation, order of operations, variables, and algebraic expressions, and complete practice exercises through...

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.