Mathematics for IGCSE & O level - Coordinate Geometry (Section 4 - No. 30)
What is the gradient of a line passing through the points (1, 3) and (5, 7)?
1/2
3/4
1
4/5
Paskaidrojums
Gradient is calculated as (y2 - y1) / (x2 - x1). (7-3)/(5-1) = 4/4 = 1