Maths Dictionary · SS 3
Vector
Simple meaning
A quantity with both size (magnitude) and direction, drawn as an arrow.
Example
34 means 3 across and 4 up; its length is 5.
See it
From the Vector Representation lesson. Try moving things around.
Gradient
12
rise ÷ run = 3 ÷ 6
Distance AB
3√5
≈ 6.71
Midpoint M
(0, 1/2)
average of A and B
Drag A and B (or focus one and use the arrow keys).