Algebra-1

Question Analysis
This question tests the student's understanding of the concept of undefined slope. The equation represents a vertical line, and the slope of a vertical line is undefined.

Key Concept Explanation
The slope of a line is defined as the change in y divided by the change in x. For a vertical line, the change in x is zero, leading to division by zero, which is undefined.

Step-by-step Solution
1. Identify the given equation: .
2. Recognize that this is a vertical line.
3. Recall that the slope of a vertical line is undefined because the change in x (

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