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

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
Get 3 answers correct in a row