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Ch. P - Fundamental Concepts of Algebra
Blitzer - College Algebra 8th Edition
Blitzer8th EditionCollege AlgebraISBN: 9780136970514당신이 사용하는 게 아니라요?교과서 변경
1장, 문제 75

State the name of the property illustrated. 6+(−4)=(−4)+6

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1
Identify the property being illustrated by the equation \(6 + (-4) = (-4) + 6\).
Notice that the equation shows two numbers being added in different orders: first \(6\) then \(-4\), and then \(-4\) then \(6\).
Recall that the property which states that changing the order of addition does not change the sum is called the Commutative Property of Addition.
Confirm that the equation fits this property because the sum remains the same regardless of the order of the addends.
Therefore, the name of the property illustrated by \(6 + (-4) = (-4) + 6\) is the Commutative Property of Addition.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Commutative Property of Addition

This property states that changing the order of the numbers in an addition operation does not change the sum. For example, a + b = b + a. In the given expression, 6 + (−4) = (−4) + 6, the order of the addends is switched, illustrating this property.
추천 영상:
가이드 코스
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Change of Base Property

Additive Inverse

The additive inverse of a number is the number that, when added to the original number, results in zero. For example, the additive inverse of 4 is −4. Recognizing negative numbers as additive inverses helps understand expressions involving subtraction or negative terms.
추천 영상:
가이드 코스
4:30
Graphing Logarithmic Functions

Properties of Real Numbers

Real numbers follow specific properties such as commutative, associative, and distributive properties that govern arithmetic operations. Understanding these properties allows manipulation and simplification of expressions systematically and correctly.
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Introduction to Complex Numbers