Specialist · sketching graphs · manipulative

What sits between the two lines?

y = x and y = −x cross at the origin. y = |x| keeps the half of each line that stays above the axis — that height is the distance from 0.

y = x y = −x y = |x|

Number line · |x| is the distance from 0

Drag the point on the graph or the number line

x

2
Show both lines
ghost y = x and y = −x

Working