The slope of a horizontal line is - Select $$ -v $$. The equation of the horizontal line passing through $$ (7,8) $$ is Need Help? Read it

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### 1. **Slope of a Horizontal Line**

A **horizontal line** runs parallel to the x-axis. Regardless of where you are on the line, the y-coordinate remains constant.

- **Slope ($$m$$)** measures the steepness of a line and is calculated as the change in y divided by the change in x ($$m = \frac{\Delta y}{\Delta x}$$).
  
- For a horizontal line, there is **no change in y** as you move along the line, meaning $$\Delta y = 0$$.

$$
m = \frac{0}{\Delta x} = 0
$$

**Therefore, the slope of a horizontal line is $$ \mathbf{0} $$.**

### 2. **Equation of a Horizontal Line Passing Through $$(7, 8)$$**

The general form of a horizontal line's equation is:

$$
y = k
$$

where $$k$$ is the constant y-value for all points on the line.

Given the point $$(7, 8)$$, the y-coordinate is $$8$$. This means the line passes through all points where $$y = 8$$, regardless of the x-coordinate.

**Thus, the equation of the horizontal line passing through $$(7, 8)$$ is:**

$$
\boxed{y = 8}
$$

### **Summary**

- **Slope of a horizontal line:** $$ \boxed{0} $$
- **Equation of the horizontal line through $$(7, 8)$$:** $$ \boxed{y = 8} $$

Feel free to ask if you have more questions!
The slope of a horizontal line is 0. The equation of the horizontal line passing through (7,8) is y = 8.

The slope of a horizontal line is - Select \( -v \). The equation of the horizontal line passing through \( (7,8) \) is Need Help? Read it

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