Algebra-1

Question Analysis
This question tests the student's ability to identify the correct value for the x-coordinate in the slope formula. The student must recognize that the denominator of the slope formula represents the difference in the x-coordinates.

Key Concept Explanation
The slope of a line passing through two points and is given by . The x-coordinate in the denominator should be the x-coordinate of the second point.

Step-by-step Solution
1. Identify the coordinates:

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