Concept explainers
(a)
To simplify: The given expression and identify if the expression represents the real number.
(a)
Answer to Problem 13WE
The simplified value of the given expression is a. The number a may not be the real number.
Explanation of Solution
Given:
The given expression is
Calculation:
The given expression can be simplified as follows.
Any number measurable on the number line whether positive, negative, and decimal or in fractions is called the real number.
Here, the number a may or may not be the real number.
Therefore, the simplified value of the given expression is
(b)
To simplify: The given expression and identify if the expression represents the real number.
(b)
Answer to Problem 13WE
The simplified value of the given expression is
Explanation of Solution
Given:
The given expression is
Calculation:
The given expression can be simplified as follows.
Any number measurable on the number line whether positive, negative, and decimal or in fractions is called the real number.
Here, the number
Therefore, the simplified value of the given expression is
(c)
To simplify: The given expression and identify if the expression represents the real number.
(c)
Answer to Problem 13WE
The simplified value of the given expression is
Explanation of Solution
Given:
The given expression is
Calculation:
The given expression can be simplified as follows.
Any number measurable on the number line whether positive, negative, and decimal or in fractions is called the real number.
Here, the number
Therefore, the simplified value of the given expression is
(d)
To simplify: The given expression and identify if the expression represents the real number.
(d)
Answer to Problem 13WE
The simplified value of the given expression is
Explanation of Solution
Given:
The given expression is
Calculation:
The given expression can be simplified as follows.
Any number measurable on the number line whether positive, negative, and decimal or in fractions is called the real number.
Here, the number
Therefore, the simplified value of the given expression is
Chapter 6 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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