How to Determine if a Slope Is Positive, Negative, Undefined, Zero or Imaginary at a Point on a Graph

You can determine if a slope is positive, negative, undefined, zero or imaginary at a point on a graph in a very specific way. Determine if a slope is positive, negative, undefined, zero or imaginary at a point on a graph with help from a distinguished math teacher in this free video clip.

Part of the Video Series: Algebra Help

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