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Chapter 2: Polynomial, Power, and Rational Functions

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Section 2-7: Solving Equations in One Variable

Chapter 2:Polynomial, Power, and Rational Functions

- You will learn about:
- Solving rational equations
- Extraneous solutions
- Applications

- Why?
- Applications involving rational functions as models often require that an equation involving fractions be solved.

- Rational Equation
- Extraneous Solution

- Solve:

- Solve:

- Solve the equation:

- Solve the equation:

- How much pure acid must be added to 50 mL of a 35% acid solution to produce a mixure that is 75% acid?

- Find the dimensions of the rectangle with a minimum perimeter if its area is 200 square meters.

- Stewart Cannery will package tomato juice in 2-liter cylindrical cans. Find the radius and height of the cans if the cans have a surface area of 1000 cm2.