413 71 + 2 This is a rational expression because the denominator contains a variable. 4 This is a polynomial with 3 terms.

Algebra and Trigonometry (6th Edition)
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Author:Robert F. Blitzer
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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### Question 7 of 9

**Select the correct statements from the table.**

For each expression, select the true statement in the table.

| Expression                           | Statement 1 | Statement 2                          |
|--------------------------------------|-------------|--------------------------------------|
| \(4x^3 - 7x + 2 \over 4\)            | This is a rational expression because the denominator contains a variable. | This is a polynomial with 3 terms.  |
| {-\[3x^5 + 4x - 6\] \over \[2x^2 - 5\]} | This is a rational expression because the denominator contains a variable. | This is a polynomial with 4 terms.  |
| \((7x^2 + 3)(5x + 1)\)               | This is a rational expression because the denominator contains a variable. | This is a polynomial with 4 terms.  |
| {9x^2 - 6x + 1 \over 5x + 7}         | This is a rational expression because the denominator contains a variable. | This is a polynomial with 3 terms.  |
| \(8x^4 - x^3 + 6x^2 - 3x + 9\)       | This is a rational expression because the denominator contains a variable. | This is a polynomial with 5 terms.  |

### Explanation:
1. **Expression \(4x^3 - 7x + 2 \over 4\)**:
   - Statement 1: **Incorrect**, because the denominator \(4\) does not contain a variable.
   - Statement 2: **Correct**, because the numerator \(4x^3 - 7x + 2\) is a polynomial with 3 terms.

2. **Expression \(3x^5 + 4x - 6 \over 2x^2 - 5\)**:
   - Statement 1: **Correct**, because the denominator \(2x^2 - 5\) contains a variable.
   - Statement 2: **Incorrect**, because it is a rational expression with a polynomial numerator and numerator with 3 terms.

3. **Expression \((7x^2 + 3)(5x + 1)\)**:
   - Statement 1: **Incorrect**, because it is a single polynomial expression with no denominator.
Transcribed Image Text:### Question 7 of 9 **Select the correct statements from the table.** For each expression, select the true statement in the table. | Expression | Statement 1 | Statement 2 | |--------------------------------------|-------------|--------------------------------------| | \(4x^3 - 7x + 2 \over 4\) | This is a rational expression because the denominator contains a variable. | This is a polynomial with 3 terms. | | {-\[3x^5 + 4x - 6\] \over \[2x^2 - 5\]} | This is a rational expression because the denominator contains a variable. | This is a polynomial with 4 terms. | | \((7x^2 + 3)(5x + 1)\) | This is a rational expression because the denominator contains a variable. | This is a polynomial with 4 terms. | | {9x^2 - 6x + 1 \over 5x + 7} | This is a rational expression because the denominator contains a variable. | This is a polynomial with 3 terms. | | \(8x^4 - x^3 + 6x^2 - 3x + 9\) | This is a rational expression because the denominator contains a variable. | This is a polynomial with 5 terms. | ### Explanation: 1. **Expression \(4x^3 - 7x + 2 \over 4\)**: - Statement 1: **Incorrect**, because the denominator \(4\) does not contain a variable. - Statement 2: **Correct**, because the numerator \(4x^3 - 7x + 2\) is a polynomial with 3 terms. 2. **Expression \(3x^5 + 4x - 6 \over 2x^2 - 5\)**: - Statement 1: **Correct**, because the denominator \(2x^2 - 5\) contains a variable. - Statement 2: **Incorrect**, because it is a rational expression with a polynomial numerator and numerator with 3 terms. 3. **Expression \((7x^2 + 3)(5x + 1)\)**: - Statement 1: **Incorrect**, because it is a single polynomial expression with no denominator.
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