Question
Find the scalar equation of the line through the point (1, -4) and perpendicular to the line 2x + 5y – 3 = 0.
Answers
Reiny
I assume that you know that the slope of 2x + 5y – 3 = 0 is -2/5 by just looking at it.
Then the slope of the new line must be 5/2
and its equation must be 5x - 2y + c = 0 . Plug in the given point to find c.
Then the slope of the new line must be 5/2
and its equation must be 5x - 2y + c = 0 . Plug in the given point to find c.