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3-8.

Find the distance between each pair of points if they were graphed on a number line. Represent your work using absolute value symbols. Homework Help ✎

  1. and

    Think of the absolute value of an integer as its distance away from on the number line, so it is always positive.

    Because the distance away from is , and because the absolute value of is , you can add the absolute values to get the distance between them.

  1. and

    Use the same method as part (a).

  1. and

    This time, the numbers are on the same side of . How will this change how you find the distance?