Which line is perpendicular to y = (x)/(2) +1​

Question

Which line is perpendicular to y =

`(x)/(2)`
+1​

Answer 1

If
`y=(x)/(2)+1` then
`y_(\perp)=-2x+1`.

The slope in first line is
`1/2=0.5`, therefore the slope of perpendicular line must be
`-1/0.5=-2`.

Hope this helps.