The graph

dot One (2, 10)
2 (1,5)

The graph shows the propositional relationship. Derive the equation of the line y = mx through the origin.

1 answer

To derive the equation of the line that goes through the origin and the points (2, 10) and (1, 5), we can follow these steps:

  1. Find the slope (m): The slope (m) of a line that goes through two points \((x_1, y_1)\) and \((x_2, y_2)\) is given by the formula:

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

    Let's use the points (2, 10) and (1, 5):

    • \((x_1, y_1) = (1, 5)\)
    • \((x_2, y_2) = (2, 10)\)

    Plug in the values:

    \[ m = \frac{10 - 5}{2 - 1} = \frac{5}{1} = 5 \]

  2. Write the equation of the line: Since we want the line through the origin (0, 0) with slope \(m\), the equation of the line can be expressed as:

    \[ y = mx \]

    Substituting the calculated slope:

    \[ y = 5x \]

Therefore, the equation of the line passing through the origin with respect to the points given is:

\[ y = 5x \]