Question

Gradient of a straight line that is perpendicular to y = 4x + 2

Answer 1

if a line's slope is
`(a)/(b)`, the slope of the perpendicular line is
`-(b)/(a)`
in this case, the given line has a slope 4, which is 4/1, so the perpendicular line has a slope/gradient
`-(1)/(4)`