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LESSON

Solving Word

Problems Using

REFRESHER VI Quadratic Equations

Many problems in mathematics can be solved using a quadratic equation.

The strategy you can use is

Step 1: Represent the unknown usingxand the other unknown in terms

ofx.

Step 2: From the problem write expressions that are related to the

unknown.

Step 3: Write the quadratic equation.

Step 4: Solve the quadratic equation forx.

Recall that a quadratic equation has two solutions. Both solutions can

be answers to the problem; however, many times only one solution is

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