Question

the equations of four lines are given. identify which lines are parallel

Line 1: y=-7x+6
Line 2: x+1/5y=-6
Line 3: y=-5x-8
Line 4: y+7=-1/7(x+4)

Answer 1

@pooja195 @Vocaloid

Answer 2

@Vocaloid

Answer 3

@pooja195

Answer 4

@jagr2713

Answer 5

@Pandabear78963 To know whether two lines are parallel is to see if they have the same slope, So its best to rewrite equations into slope-intercept form which is \(y=mx + b\) where \(m~ is~ slope\) and b is \(y~ intercept \)

i tried like this...

x +1/5y=-6
1/5y=-x - 6
then divide both sides by 1/5
y==-5x - 6
it too has a slope of -5 so they're parallel

Did you get same answer?