Mathematics for IGCSE & O level - Coordinate Geometry (Section 4 - No. 40)

If a line has a gradient of m, what is the gradient of a line perpendicular to it?

m

-m

1/m

-1/m

Обяснение

Perpendicular lines have negative reciprocal gradients.

Коментари (0)

Реклама

Разрешете на javascript да зареди правилно тази страница