Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN: 9780134463216
Author: Robert F. Blitzer
Publisher: PEARSON
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### Question: Binomial Factor Identification

Which binomial is a factor \( x^2 - 12x + 32 \)?

**Options:**

1. \( x - 2 \)
2. \( x - 1 \)
3. \( x - 8 \)
4. \( x - 12 \)

### Explanation:

The task requires determining which of the given binomials is a factor of the quadratic expression \( x^2 - 12x + 32 \). To find this, we can factorize the quadratic expression into two binomials and compare the solutions.

#### Factorization Process:

Given quadratic expression: 
\( x^2 - 12x + 32 \)

1. Look for two numbers that multiply to 32 and add to -12.
2. The numbers -4 and -8 satisfy these conditions (-4 * -8 = 32 and -4 + -8 = -12).

Thus, the quadratic can be expressed as:
\( (x - 4)(x - 8) \)

Therefore, the factors of \( x^2 - 12x + 32 \) are \( (x - 4) \) and \( (x - 8) \).

#### Conclusion:

Among the given options, \( x - 8 \) is a factor of \( x^2 - 12x + 32 \). 

Thus, the correct answer is:
\[ \text{Option 3: } x - 8 \]
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Transcribed Image Text:### Question: Binomial Factor Identification Which binomial is a factor \( x^2 - 12x + 32 \)? **Options:** 1. \( x - 2 \) 2. \( x - 1 \) 3. \( x - 8 \) 4. \( x - 12 \) ### Explanation: The task requires determining which of the given binomials is a factor of the quadratic expression \( x^2 - 12x + 32 \). To find this, we can factorize the quadratic expression into two binomials and compare the solutions. #### Factorization Process: Given quadratic expression: \( x^2 - 12x + 32 \) 1. Look for two numbers that multiply to 32 and add to -12. 2. The numbers -4 and -8 satisfy these conditions (-4 * -8 = 32 and -4 + -8 = -12). Thus, the quadratic can be expressed as: \( (x - 4)(x - 8) \) Therefore, the factors of \( x^2 - 12x + 32 \) are \( (x - 4) \) and \( (x - 8) \). #### Conclusion: Among the given options, \( x - 8 \) is a factor of \( x^2 - 12x + 32 \). Thus, the correct answer is: \[ \text{Option 3: } x - 8 \]
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