10.4 Formulas and Applications What are your objectives for Section 10.4? How can you accomplish each objective? 1 Solve a Formula for a Variable • Use the procedures for solving quadratic equations or equations containing radicals. • Complete the given examples on your own. • Complete You Trys 1 and 2. 2 Solve an Applied Problem Involving Volume • Use the Steps for Solving Applied Problems. • Complete the given example on your own. • Complete You Try 3. 3 Solve an Applied Problem Involving Area • Use the Steps for Solving Applied Problems. • Complete the given example on your own. • Complete You Try 4. 4 Solve an Applied Problem Using a Quadratic Equation • Read the problem carefully, and understand how the given information relates to the given equation. • Complete the given example on your own. Read the explanations, follow the examples, take notes, and complete the You Trys. Sometimes, solving a formula for a variable involves using one of the techniques we’ve learned for solving a quadratic equation or for solving an equation containing a radical. 1 Solve a Formula for a Variable EXAMPLE 1 Solve v A 300VP m for m. Solution Put a box around the m. The goal is to get m on a side by itself. v A 300VP m v2 300VP m Square both sides. www.mhhe.com/messersmith SECTION 10.4 Formulas and Applications 645
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