SOLUTION: Insert two arithmetic means between -7 and 2.

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Question 973094: Insert two arithmetic means between -7 and 2.
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
Insert two arithmetic means between -7 and 2.
The sequence goes:

-7, -7+d, -7+2d, -7+3d=2
                    3d=9
                     d=3
    -7+d =
    -7+3 =
    -4

          -7+2d =
          -7+2(3) =
          -7+6 =
          -1

Answer: -4 and -1

Edwin