ExamPlay Light Logo
Pierakstīties

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

Paskaidrojums

Perpendicular lines have negative reciprocal gradients.

komentāri (0)

Reklāma