MediumRational expressions

OpenStax, Intermediate Algebra 2e §7.2 Add and Subtract Rational Expressions · Exercise 75 · Algebra · Rational expressions

Add and Subtract Rational Expressions · Exercise 75

Felipe thinks $\frac{1}{x} + \frac{1}{y}$ is $\frac{2}{x + y} .$ ⓐ Choose numerical values for x and y and evaluate $\frac{1}{x} + \frac{1}{y} .$ ⓑ Evaluate $\frac{2}{x + y}$ for the same values of x and y you used in part ⓐ. ⓒ Explain why Felipe is wrong. ⓓ Find the correct expression for $\frac{1}{x} + \frac{1}{y} .$

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OpenStax, Intermediate Algebra 2e · §7.2 Add and Subtract Rational Expressions · Exercise 75

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