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John has to graph a set of parabolas of the form where is an integer and . What is the probability that one of these parabolas, chosen at random, will have: 9-78 HW eTool (Desmos).

  1. One -intercept?

  2. Two -intercepts?

  1. No -intercepts?

Use the eTool below to help you with this problem.
Click on the link at right for the full eTool version: CCA2 9-78 HW eTool