This is one thing that confuses me so much that I can't even think straight. There is this one question that i really don't get.
Which of the folowing equations describes a line perpendicular to the line y=7x+49?
A- y= -7x-49
B- y= -1/7x+10
C- y= 1/7x+7
D- y=7x-49
E- y=7x+14
Please help!!!!
Which of the folowing equations describes a line perpendicular to the line y=7x+49?
A- y= -7x-49
B- y= -1/7x+10
C- y= 1/7x+7
D- y=7x-49
E- y=7x+14
Please help!!!!