Exam 8: Roots, Radical Expressions, and Radical Equations
Exam 1: Real Numbers and Their Basic Properties89 Questions
Exam 2: Equations and Inequalities64 Questions
Exam 3: Graphs; Equations of Lines; Functions; Variation98 Questions
Exam 4: Polynomials103 Questions
Exam 5: Factoring Polynomials and Solving Equations by Factoring23 Questions
Exam 6: Rational Expressions and Equations; Ratio and Proportion67 Questions
Exam 7: Systems of Linear Equations and Inequalities in Two Variables30 Questions
Exam 8: Roots, Radical Expressions, and Radical Equations78 Questions
Exam 9: Quadratic Equations, Quadratic Functions, and Complex Numbers51 Questions
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Simplify the expression. Assume that all variables represent positive numbers. 

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C
Express the following expression in simplest radical form. All variables represent positive real numbers. 

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Correct Answer:
E
Rationalize the denominator and simplify. The variable represents a positive real number. 

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E
Simplify the expression. Assume that all variables represent positive numbers. 

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Use the distributive property to help simplify the expression. 

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Perform the division by rationalizing the denominator and simplifying. 

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The design for a set of brass pipes for a church organ are shown in the illustration below, where the red line is the graph of function .
Find the length of each pipe (to the nearest tenth of a foot), and then find the total length of pipe needed to construct this set (to the nearest tenth of a foot). __________ ft


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Solve the equation. Write all solutions and then indicate which of those solutions are extraneous. 

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Write the quotient as the quotient of two radicals and simplify. 

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Use the distributive property to help simplify the expression. 

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Perform the operation. Do not use negative exponents in the answer. 

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A team of archaeologists travels 3.6 miles east and then 2.8 miles north of their base camp to explore some ancient ruins. "As the crow flies", how far from their base camp are they? Round to the nearest whole number.
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Express the following radical in simplest radical form. All variables represent nonnegative real numbers. 

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Write the quotient as the quotient of two radicals and simplify. 

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