Write the slope of the line which is:
parallel to x-axis

Answer

To find the slope of a line that is parallel to the x-axis, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Concept of Slope**:
The slope of a line is a measure of its steepness and is calculated as the change in the y-coordinate divided by the change in the x-coordinate (rise over run).

2. **Identifying the Slope of the x-axis**:
The x-axis is a horizontal line. For any horizontal line, the change in y (rise) is 0 because the y-coordinate remains constant regardless of the x-coordinate. Therefore, the slope of the x-axis can be calculated as:
\[ \text{slope} = \frac{\text{change in } y}{\text{change in } x} = \frac{0}{\text{any non-zero value}} = 0 \]

3. **Understanding Parallel Lines**:
Lines that are parallel to each other have the same slope. Since the line we are considering is parallel to the x-axis, it will have the same slope as the x-axis.

4. **Conclusion**:
Therefore, the slope of the line that is parallel to the x-axis is:
\[ \text{slope} = 0 \]

### Final Answer:
The slope of the line which is parallel to the x-axis is **0**.

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