If an equation can be rearranged into the form \(y = mx + c\), then its graph will be a straight line. In the above: \(x + y = 3\) can be rearranged as \(y = 3 - x\) (which can be re-written as \(y = ...
MATT: Welcome to The Maths Show with me yourhost, Matt Parker. Today talking about Algebra.Specifically substituting values into formulae, MATT: with four amazing tricks maths teachers can’tresist, ...