Algebra-1

Question Analysis
This question tests the student's ability to calculate the slope of a line using the slope formula and then apply the concept of perpendicular lines. The slope of the given line is calculated, and then the slope of the perpendicular line is determined.

Key Concept Explanation
The slope of a line passing through points and is given by . Perpendicular lines have slopes that multiply to -1.

Step-by-step Solution
1. Use the slope formula:

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