Algebra-1

Question Analysis
This question tests the student's ability to determine if two lines are perpendicular by checking if the product of their slopes is -1. The student must identify the slopes of both lines and verify the condition for perpendicularity.

Key Concept Explanation
Perpendicular lines have slopes whose product is -1. If the slopes of two lines are and , and , then the lines are perpendicular.

Step-by-step Solution
1. Identify the slope of the first line:

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