Use similar triangles to determine the slope of the line. Write your answer in fraction form

(1 point)

The slope is

The dot is at 8,4

1 answer

To determine the slope of the line using similar triangles, we need two points on the line. You provided one point, (8, 4).

Let's assume there's another point on the line, which we can denote as (x2, y2). The formula for calculating the slope \( m \) between two points \((x_1, y_1)\) and \((x_2, y_2)\) is:

\[ m = \frac{y_2 - y_1}{x_2 - x_1} \]

In your case, using the point (8, 4) where \(x_1 = 8\) and \(y_1 = 4\), we need a second point to find the slope.

Assuming we have a second point, for example, let's say it is (10, 6). Then we would use the coordinates from both points in the slope formula:

  1. Set point (8,4) as \((x_1, y_1)\): \(x_1 = 8\), \(y_1 = 4\)
  2. Assume second point (10, 6): \(x_2 = 10\), \(y_2 = 6\)

Now substitute into the slope formula:

\[ m = \frac{6 - 4}{10 - 8} = \frac{2}{2} = 1 \]

If we choose another point, let’s say (6, 2) instead of (10, 6):

  1. \(x_2 = 6\), \(y_2 = 2\)

Now calculate:

\[ m = \frac{2 - 4}{6 - 8} = \frac{-2}{-2} = 1 \]

If you have any specific second point in mind, please let me know. Otherwise, the slope with the calculations I provided is 1 in both scenarios.

If we stick with these examples or need new values, feel free to share!