Find All Values of the Variable for Which the Rational $\frac { x - 9 } { 7 - x }$

question 105

Multiple Choice

Find all values of the variable for which the rational expression is undefined.
- $\frac { x - 9 } { 7 - x }$

• A) 7
• B) None
• C) 7,9
• D) \(- 7\)

---

Definitions:

Procedural Knowledge

Understanding of how to perform tasks or activities, often involving step-by-step sequences or methods.

Computer-based Training

A form of education in which students learn by using and completing exercises with instructional software on computers.

Generative Learning

An educational approach where learners apply their existing knowledge to generate new understandings, promoting deeper and more meaningful learning experiences.

Collaborative Environment

A workplace or educational setting that promotes cooperation and teamwork, encouraging shared goals and collective problem-solving.