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← How many test intervals - College Algebra

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Showing Revision 2 created 05/24/2016 by Udacity Robot.

  1. If we plot these 3 critical numbers on our number line, you can see that they
  2. split the number line into 4 intervals. One to the left of negative 10, the one
  3. in between negative 10 and negative 2, the one between negative 2 and 2, and the
  4. one to the right of 2. So the answer is 4.