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2-9.

One meaning of the word evaluate is to find the value of an expression. To evaluate, replace a variable with a number and calculate the result. For example, when you are asked to evaluate the expression when , you would put in place of the variable and calculate: .

Evaluate the expressions below for the given values of and . Homework Help ✎

Rewrite the expression with the number in place of the variable and simplify if possible.

  1. if

  1. if and

    Try evaluating this one on your own.

  1. if and

  1. if and

    Try evaluating this one on your own. You have been given a head start.