Algebra: Structure And Method, Book 1

(REV)00 Edition

ISBN: 9780395977224

Author: Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher: McDougal Littell

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Concept explainers

Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.

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Question

Chapter 1.9, Problem 9OE

To determine

To calculate: The opposite and the absolute value of the number6.5 .

Expert Solution & Answer

Answer to Problem 9OE

The opposite is−6.5 and the absolute value is6.5 .

Explanation of Solution

Given information:

The number6.5 .

Formula used:

The opposite of a number n on a real number line is the exact opposite of that number with a negative sign in front of it that is−n .

The absolute value of a number n is the denoted as|n| and is never negative. It is the distance from 0 to that number.

Calculation:

Consider the number6.5 .

Recall that the opposite of a number n on a real number line is the exact opposite of that number with a negative sign in front of it that is−n .

Therefore, opposite of6.5 is−6.5 .

Recall that the absolute value of a number n is the denoted as|n| and is never negative. It is the distance from 0 to that number.

Therefore, absolute value of6.5 is|6.5| which is equal to6.5 .

Thus, the opposite is−6.5 and the absolute value is6.5 .

Chapter 1.9, Problem 8OE

Chapter 1.9, Problem 10OE

Chapter 1 Solutions

Algebra: Structure And Method, Book 1

Ch. 1.1 - Prob. 1OE Ch. 1.1 - Prob. 2OE Ch. 1.1 - Prob. 3OE Ch. 1.1 - Prob. 4OE Ch. 1.1 - Prob. 5OE Ch. 1.1 - Prob. 6OE Ch. 1.1 - Prob. 7OE Ch. 1.1 - Prob. 8OE Ch. 1.1 - Prob. 9OE Ch. 1.1 - Prob. 10OE

Ch. 1.1 - Prob. 11OE Ch. 1.1 - Prob. 12OE Ch. 1.1 - Prob. 13OE Ch. 1.1 - Prob. 14OE Ch. 1.1 - Prob. 15OE Ch. 1.1 - Prob. 16OE Ch. 1.1 - Prob. 17OE Ch. 1.1 - Prob. 18OE Ch. 1.1 - Prob. 19OE Ch. 1.1 - Prob. 20OE Ch. 1.1 - Prob. 21OE Ch. 1.1 - Prob. 22OE Ch. 1.1 - Prob. 23OE Ch. 1.1 - Prob. 24OE Ch. 1.1 - Prob. 25OE Ch. 1.1 - Prob. 26OE Ch. 1.1 - Prob. 1WE Ch. 1.1 - Prob. 2WE Ch. 1.1 - Prob. 3WE Ch. 1.1 - Prob. 4WE Ch. 1.1 - Prob. 5WE Ch. 1.1 - Prob. 6WE Ch. 1.1 - Prob. 7WE Ch. 1.1 - Prob. 8WE Ch. 1.1 - Prob. 9WE Ch. 1.1 - Prob. 10WE Ch. 1.1 - Prob. 11WE Ch. 1.1 - Prob. 12WE Ch. 1.1 - Prob. 13WE Ch. 1.1 - Prob. 14WE Ch. 1.1 - Prob. 15WE Ch. 1.1 - Prob. 16WE Ch. 1.1 - Prob. 17WE Ch. 1.1 - Prob. 18WE Ch. 1.1 - Prob. 19WE Ch. 1.1 - Prob. 20WE Ch. 1.1 - Prob. 21WE Ch. 1.1 - Prob. 22WE Ch. 1.1 - Prob. 23WE Ch. 1.1 - Prob. 24WE Ch. 1.1 - Prob. 25WE Ch. 1.1 - Prob. 26WE Ch. 1.1 - Prob. 27WE Ch. 1.1 - Prob. 28WE Ch. 1.1 - Prob. 29WE Ch. 1.1 - Prob. 30WE Ch. 1.1 - Prob. 31WE Ch. 1.1 - Prob. 32WE Ch. 1.1 - 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Prob. 28MS

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The opposite and the absolute value of the number 6.5 .

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To calculate: The opposite and the absolute value of the number6.5 .

Answer to Problem 9OE

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