Pearson eText Elementary and Intermediate Algebra: Concepts and Applications -- Instant Access (Pearson+)
Pearson eText Elementary and Intermediate Algebra: Concepts and Applications -- Instant Access (Pearson+)
7th Edition
ISBN: 9780137361847
Author: Marvin Bittinger, David Ellenbogen
Publisher: PEARSON+
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Chapter R.6, Problem 1YT
To determine

To calculate: The numbers for which the rational expression x72x2+4x is undefined.

Expert Solution & Answer
Check Mark

Answer to Problem 1YT

Solution:

The numbers for which the rational expression x72x2+4x is undefined are x=2 and x=0_.

Explanation of Solution

Given Information:

The provided rational expression is x72x2+4x.

Formula used:

There are following steps to find the value of the variables for which the rational expression is undefined:

Step 1: Set the denominator of the expression as 0.

Step 2: Solve for the variable.

Calculation:

Consider the provided rational expression:

x72x2+4x

Set the denominator of the rational expression as 0:

2x2+4x=0

Factor the terms as follows:

2x(x+2)=0

As, zero product rule is,

If, (x+a)(x+b)=0

Then, (x+a)=0 or (x+b)=0

Apply the principle of zero products on 2x(x+2)=0:

2x=0 or (x+2)=0.

Thus, x=0 or x=2.

If the variable x is replaced with 0 or 2, the denominator becomes 0.

Thus, the rational expression x72x2+4x is undefined for x=0 and x=2.

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Chapter R Solutions

Pearson eText Elementary and Intermediate Algebra: Concepts and Applications -- Instant Access (Pearson+)

Ch. R.1 - Prob. 2ESCh. R.1 - Prob. 3ESCh. R.1 - Prob. 4ESCh. R.1 - Prob. 5ESCh. R.1 - Prob. 6ESCh. R.1 - Prob. 7ESCh. R.1 - Prob. 8ESCh. R.1 - Prob. 9ESCh. R.1 - Prob. 10ESCh. R.1 - Prob. 11ESCh. R.1 - Prob. 12ESCh. R.1 - Prob. 13ESCh. R.1 - Prob. 14ESCh. R.1 - Prob. 15ESCh. R.1 - Prob. 16ESCh. R.1 - Prob. 17ESCh. R.1 - Prob. 18ESCh. R.1 - Prob. 19ESCh. R.1 - Prob. 20ESCh. R.1 - Prob. 21ESCh. R.1 - Prob. 22ESCh. R.1 - Prob. 23ESCh. R.1 - Prob. 24ESCh. R.1 - Prob. 25ESCh. R.1 - Prob. 26ESCh. R.1 - Prob. 27ESCh. R.1 - Prob. 28ESCh. R.1 - Prob. 29ESCh. R.1 - Prob. 30ESCh. R.1 - Prob. 31ESCh. R.1 - Prob. 32ESCh. R.1 - Prob. 33ESCh. R.1 - Prob. 34ESCh. R.1 - Prob. 35ESCh. R.1 - Prob. 36ESCh. R.1 - Prob. 37ESCh. R.1 - Prob. 38ESCh. R.1 - Prob. 39ESCh. R.1 - Prob. 40ESCh. R.1 - Prob. 41ESCh. R.1 - Prob. 42ESCh. R.1 - Prob. 43ESCh. R.1 - Prob. 44ESCh. R.1 - Prob. 45ESCh. R.1 - Prob. 46ESCh. R.1 - Prob. 47ESCh. R.1 - Prob. 48ESCh. R.1 - Prob. 49ESCh. R.1 - Prob. 50ESCh. R.1 - Prob. 51ESCh. 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R.3 - Prob. 19ESCh. R.3 - Prob. 20ESCh. R.3 - Prob. 21ESCh. R.3 - Prob. 22ESCh. R.3 - Prob. 23ESCh. R.3 - Prob. 24ESCh. R.3 - Prob. 25ESCh. R.3 - Prob. 26ESCh. R.3 - Prob. 27ESCh. R.3 - Prob. 28ESCh. R.3 - Prob. 29ESCh. R.3 - Prob. 30ESCh. R.3 - Prob. 31ESCh. R.3 - Prob. 32ESCh. R.3 - Prob. 33ESCh. R.3 - Prob. 34ESCh. R.3 - Prob. 35ESCh. R.3 - Prob. 36ESCh. R.3 - Prob. 37ESCh. R.3 - Prob. 38ESCh. R.3 - Prob. 39ESCh. R.3 - Prob. 40ESCh. R.3 - Prob. 41ESCh. R.3 - Prob. 42ESCh. R.3 - Prob. 43ESCh. R.3 - Prob. 44ESCh. R.3 - Prob. 45ESCh. R.3 - Prob. 46ESCh. R.4 - Prob. 1YTCh. R.4 - Prob. 2YTCh. R.4 - 3. Combine like terms: . Write the answer in...Ch. R.4 - Prob. 4YTCh. R.4 - Prob. 5YTCh. R.4 - Prob. 6YTCh. R.4 - Prob. 7YTCh. R.4 - Prob. 8YTCh. R.4 - Prob. 9YTCh. R.4 - Prob. 10YTCh. R.4 - Prob. 11YTCh. R.4 - Prob. 12YTCh. R.4 - Prob. 1ESCh. R.4 - Prob. 2ESCh. R.4 - Prob. 3ESCh. R.4 - Prob. 4ESCh. R.4 - Prob. 5ESCh. R.4 - Prob. 6ESCh. R.4 - Prob. 7ESCh. R.4 - Prob. 8ESCh. R.4 - Prob. 9ESCh. R.4 - Prob. 10ESCh. R.4 - Prob. 11ESCh. R.4 - Prob. 12ESCh. R.4 - Prob. 13ESCh. R.4 - Prob. 14ESCh. R.4 - Prob. 15ESCh. R.4 - Prob. 16ESCh. R.4 - Prob. 17ESCh. R.4 - Prob. 18ESCh. R.4 - Prob. 19ESCh. R.4 - Prob. 20ESCh. R.4 - Prob. 21ESCh. R.4 - Prob. 22ESCh. R.4 - Prob. 23ESCh. R.4 - Prob. 24ESCh. R.4 - Prob. 25ESCh. R.4 - Prob. 26ESCh. R.4 - Identify the terms of each polynomial. 27. Ch. R.4 - Identify the terms of each polynomial. 28. Ch. R.4 - Determine the coefficient and the degree of each...Ch. R.4 - Prob. 30ESCh. R.4 - Determine the coefficient and the degree of each...Ch. R.4 - Determine the coefficient and the degree of each...Ch. R.4 - Prob. 33ESCh. R.4 - Prob. 34ESCh. R.4 - Prob. 35ESCh. R.4 - Prob. 36ESCh. R.4 - Prob. 37ESCh. R.4 - Prob. 38ESCh. R.4 - Prob. 39ESCh. R.4 - Prob. 40ESCh. R.4 - Prob. 41ESCh. R.4 - Prob. 42ESCh. R.4 - Prob. 43ESCh. R.4 - Prob. 44ESCh. R.4 - Prob. 45ESCh. R.4 - Prob. 46ESCh. R.4 - Prob. 47ESCh. R.4 - Prob. 48ESCh. R.4 - Prob. 49ESCh. 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R.5 - Prob. 19ESCh. R.5 - Prob. 20ESCh. R.5 - Prob. 21ESCh. R.5 - Prob. 22ESCh. R.5 - Prob. 23ESCh. R.5 - Prob. 24ESCh. R.5 - Prob. 25ESCh. R.5 - Prob. 26ESCh. R.5 - Prob. 27ESCh. R.5 - Prob. 28ESCh. R.5 - Prob. 29ESCh. R.5 - Prob. 30ESCh. R.5 - Prob. 31ESCh. R.5 - Prob. 32ESCh. R.5 - Prob. 33ESCh. R.5 - Prob. 34ESCh. R.5 - Prob. 35ESCh. R.5 - Prob. 36ESCh. R.5 - Prob. 37ESCh. R.5 - Prob. 38ESCh. R.5 - Prob. 39ESCh. R.5 - Prob. 40ESCh. R.5 - Prob. 41ESCh. R.5 - Prob. 42ESCh. R.5 - Prob. 43ESCh. R.5 - Prob. 44ESCh. R.5 - Prob. 45ESCh. R.5 - Prob. 46ESCh. R.5 - Prob. 47ESCh. R.5 - 48. Page Numbers. The product of the page numbers...Ch. R.5 - Prob. 49ESCh. R.5 - Prob. 50ESCh. R.6 - Prob. 1YTCh. R.6 - Prob. 2YTCh. R.6 - Prob. 3YTCh. R.6 - Prob. 4YTCh. R.6 - Prob. 5YTCh. R.6 - Prob. 6YTCh. R.6 - Prob. 7YTCh. R.6 - Prob. 8YTCh. R.6 - Prob. 9YTCh. R.6 - Prob. 10YTCh. R.6 - Prob. 11YTCh. R.6 - Prob. 12YTCh. R.6 - Prob. 1ESCh. R.6 - Prob. 2ESCh. R.6 - Prob. 3ESCh. R.6 - Prob. 4ESCh. 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