Write the equation of the straight line through the origin and point D (3; -2).

univerkov | November 18, 2020 | education

An equation of a straight line passing through points with coordinates (x0; y0) and (x1; y1) is compiled according to the formula:
(x – x0) / (x1 – x0) = (y – y0) / (y1 – y0).
The origin of coordinates, point O has coordinates (0; 0).
Therefore, we compose the equation of the straight line passing through these points with coordinates O (0; 0) and D (3; -2) and get:
(x – 0) / (3 – 0) = (y – 0) / (- 2 – 0);
x / 3 = y / -2.
Answer: x / 3 = y / -2.

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