X, Y and Z Coordinates (Edexcel GCSE Maths): Flashcards

Describe exact position of points in space

Origin

Four

$(+, +)$ both positive

$(-, +)$ x negative, y positive

$(-, -)$ both negative

$(+, -)$ x positive, y negative

$(x, y)$ with x first, then y

Horizontal position (left/right from centre)

Vertical position (up/down from centre)

Point exactly halfway between two given points

Average x-coords, then average y-coords

$(x, y, z)$ with z as third dimension

Forward/backward dimension (towards you or away)