Evaluate numerical expressions and simplify variable expressions with mixed exponential and radical terms, by using the properties of exponents.
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Problem

The following equation is true when x, is greater than, 0, y, is greater than, 0, and u is a constant.
What is the value of u?
u, equals
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, p, i or 2, slash, 3, space, p, i