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Home > CC2 > Chapter 9 > Lesson 9.2.2 > Problem 9-69

9-69.

Simplify each of the following expressions.  

  1. Convert the mixed number into a fraction greater than one.

  1. Notice that the in the denominator is like dividing by .

  1. This can be rewritten as:

    See part (b).

  1. Use the order of operations.

  1. Use the order of operations.

  1. Notice that squaring a negative number has the same result as multiplying two negative numbers: the product is always positive.

  1. Follow the order of operations.