SOLUTION: Write equations of the lines that are a)Parallel and b)Perpendicular to the line 4y-x=20 or y = 1/4 x+5 and containing the point (2,-3).

Algebra ->  Equations -> SOLUTION: Write equations of the lines that are a)Parallel and b)Perpendicular to the line 4y-x=20 or y = 1/4 x+5 and containing the point (2,-3).      Log On


   

Question 1056424: Write equations of the lines that are a)Parallel and b)Perpendicular
to the line 4y-x=20 or y = 1/4 x+5 and containing the point (2,-3).
Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
4y-x=20 or y=%281%2F4%29x%2B5;
Their slopes are 1%2F4, and 1%2F4.

Use point-slope equation form for a line.
Variable point (x,y) and known point (h,k) would have a line, if slope m,
of y-k=m%28x-h%29.


PARALLEL
y%2B3=%281%2F4%29%28x-2%29

PERPENDICULAR
y%2B3=-4%28x-2%29