Example 3

A fence surrounds a park in the shape of a pentagon. The side lengths of the park in feet are given by the expressions , , , , and . Find an expression for the perimeter of the park. Identify the terms, coefficients, and constant in your expression. Is the expression quadratic?
  1. Find an expression for the perimeter of the park.
  2. Identify all terms.
  3. Identify all coefficients.
  4. Identify any constants.
  5. Determine whether the expression is a quadratic expression.
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