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Read the mind map as text
Coordinates 1
Cartesian coordinates: Across first, then up or down.
Plotting a function: Table pairs lie on the same relation.
Lines 1
Gradient: Rise divided by run, with signs.
Intercept: The constant is the y value at zero x.
Rearrange a line: Make y the subject before reading m and c.
Lines 2
Horizontal and vertical: Vertical lines have undefined gradient.
Reading in both directions: A graph may give multiple inputs for one output.
Simultaneous equations: An intersection solves both relations.
Curves 1
Quadratic graphs: Squaring gives a curved, symmetric relation.
Shifted quadratics: A horizontal level can cut a parabola twice.
Reciprocal context: A constant product gives a reciprocal curve.
Connections
Coordinates 1 → Curves 1: Equations and graphs describe one relation
