What does the graph look like?
Is the graph increasing or decreasing (reading from left to right)?
What are the x- and y- intercepts?
Are there any limitations on the inputs of the equation?
Are there any limitations on the outputs of the equation?
Is there a minimum or maximum y-value?
Are there any special points?
Does the graph have any symmetry? If so, where?
When will the graph point upward?
When will it point downward?