The equations y = 4x − 8 & y = 4x + 4 represent...

the same line

parallel lines because the slopes of the lines are the same

perpendicular lines because the product of the slopes is −1

lines that are neither parallel nor perpendicular

the same line

parallel lines because the slopes of the lines are the same

perpendicular lines because the product of the slopes is −1

lines that are neither parallel nor perpendicular