Question
Are these lines parallel, or perpendicular
2x+4y=4
4x-2y=1
I think they are niether
2x+4y=4
4x-2y=1
I think they are niether
Answers
Reiny
slope of first = -1/2
slope of second = 2
Do you want to re-evaluate your decision ?
slope of second = 2
Do you want to re-evaluate your decision ?
Katie A
so are the perpendicular?
Reiny
yes, the slopes are negative reciprocals of each other