Algebra-1

Question Analysis
This question tests the understanding of the concept of zero slope for a horizontal line. The problem provides two points on a horizontal line and asks for the slope.

Key Concept Explanation
A zero slope indicates that there is no change in the y-value as the x-value changes, resulting in a horizontal line. The equation of a line with zero slope is given by where is a constant.

Step-by-step Solution
1. Identify the given points: (3, 10) and (7, 10).
2. Use the slope formula:

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