1. Finding the Slope from Points This is the only question in this section. Question What is the slope of the line that passes through the points $$ (-10,9) $$ $$ (-10,18) $$ ? Write your answer in simplest form. Answer Attempt 2 out of 3 © Watch Video undefined

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To find the slope of a line that passes through two points, we use the formula for the slope $$ m $$:

$$
m = \frac{y_2 - y_1}{x_2 - x_1}
$$

where $$ (x_1, y_1) $$ and $$ (x_2, y_2) $$ are the coordinates of the two points.

Given the points $$ (-10, 9) $$ and $$ (-10, 18) $$:

- Let $$ (x_1, y_1) = (-10, 9) $$
- Let $$ (x_2, y_2) = (-10, 18) $$

Now, we can substitute these values into the slope formula:

$$
m = \frac{18 - 9}{-10 - (-10)}
$$

Calculating the numerator and denominator:

1. **Numerator**: $$ 18 - 9 = 9 $$
2. **Denominator**: $$ -10 - (-10) = -10 + 10 = 0 $$

Now substituting these results back into the slope formula:

$$
m = \frac{9}{0}
$$

Since division by zero is undefined, the slope of the line that passes through the points $$ (-10, 9) $$ and $$ (-10, 18) $$ is **undefined**.

This indicates that the line is vertical, as both points have the same x-coordinate.
The slope is undefined because the line is vertical.

1. Finding the Slope from Points This is the only question in this section. Question What is the slope of the line that passes through the points \( (-10,9) \) \( (-10,18) \) ? Write your answer in simplest form. Answer Attempt 2 out of 3 © Watch Video undefined

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