Maths Dictionary · JSS 2

Axis (axes)

Simple meaning

One of the two number lines on a graph: the x-axis goes across, the y-axis goes up.

Example

The point (3, 2) is 3 along the x-axis and 2 up the y-axis.

See it

From the The Cartesian Plane lesson. Try moving things around.

-6-6-5-5-4-4-3-3-2-2-1-1112233445566xyrun -5rise -5MA(2, 3)B(-3, -2)

Gradient

1

rise ÷ run = -5 ÷ -5

Distance AB

5√2

≈ 7.07

Midpoint M

(-1/2, 1/2)

average of A and B

Drag A and B (or focus one and use the arrow keys).