y=3x, 6x-2y=7, 3y=9x-1

Question

determine whether the graphs of the fallowing equation are parallel and perpendicular

Answer 1

All three have slope of 3, so they are all parallel.

 

y = 3x

 

6x - 2y = 7

-2y = -6x + 7

y = 3x -7/2

 

3y = 9x - 1

y = 3x - 1/3