Consider the line passing through the point P, whose position vector is 9 i − 9 j, and parallel to the vector −4 i − 7 j. Find a cartesian equation for the line?
1 Answer
May 25, 2018
Explanation:
Being a parallel line means we have a slope. Since it goes through a specific point, we can use point-slope form.
The point is obviously (9, -9) and the slope is
so we use point-slope form
our final answer.