Beginning Algebra, 11th Edition

The London Eye is a unique Ferris wheel that features 32 observation capsules and

has a diameter of 135 m. Located on the bank of the Thames River, it faces the

Houses of Parliament. (Source:www.londoneye.com)

The formula

can be used to determine how far one can see (in kilometers) from the top of a structure

on a clear day. (Source: A Sourcebook of Applications of School Mathematics,NCTM.)

In Exercise 75of Section 8.6,we use this formula to determine the truth of the claim

that passengers on the London Eye can see Windsor Castle, 25 mi away.

sight distance=111.7height of structure in kilometers

Roots and Radicals

8.1 Evaluating Roots

8.2 Multiplying,

Dividing, and

Simplifying Radicals

8.3 Adding and

Subtracting Radicals

8.4 Rationalizing the

Denominator

8.5 More Simplifying

and Operations

with Radicals

SUMMARY EXERCISES on Operations with Radicals

Operations with Radicals

8.6 Solving Equations

with Radicals

8.7 Using Rational

Numbers as

Exponents

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8

CHAPTER