So the solutions of the equation are \({x}\) = -2 and \({x}\) = -7. Where the graph crosses the line \({y}\) = 0 we will have our solutions. As the graph is quadratic we can see that the line ...

In other words, use the structure to determine how to simplify an expression, factor a polynomial, or solve an equation efficiently ... Topics include linear functions, quadratic functions, composing ...

An animated guide to factorising quadratic expressions and equations. Examples are used to show how to find factors that multiply to give the number term and add to give the x coefficient in an ...