Through this tutorial, you'll know what slope is and how to determine it. View examples of positive, negative, zero, and undefined slope, follow step-by-step slope calculations, and complete practice problems at the end.

Two very clear examples of point-slope form are given in this Purplemath lesson. One example begins with the slope and a point and the other example begins with two points. Includes interactive widget for practice determining a linear...

This CoolMath Resource will help students determine if lines are perpendicular by finding the slope, using the point-slope formula, and graphing.