11:23 KS3/GCSE Maths: Coordinates - Checking if points lie on a line
UK teacher checks whether coordinates lie on a line or curve by substituting values.
Show whether a given point lies on a quadratic function
2 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.
11:23 UK teacher checks whether coordinates lie on a line or curve by substituting values.
2:02 Dr Frost shows the exact substitute-and-check method for testing if a point lies on a graph.