Algebra II

find three geometric means between -2 and 128. Help im very confused about this

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  1. The term geometric mean applies only to numbers with the same sign. Whoever gave you the problem made an error.

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    bobpursley
  2. -2r^4 = 128

    Can't be done, since r^4 is always positive.

    Now, 3 means between 2 and 128 are 4√2,16,32√2

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