Algebra-1

Question Analysis
This question tests the student's understanding of the concept of zero slope, specifically in the context of a horizontal line. The equation represents a horizontal line, and the slope of such a line is always zero.

Key Concept Explanation
A horizontal line has a constant y-value, meaning that for any change in the x-value, the y-value remains the same. Therefore, the rate of change (slope) is zero.

Step-by-step Solution
1. Identify the given equation:

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