Mathematics 0580 · IGCSE · Graphs of functions

Graphs of functions — practice question

The line $y = 4x + 12$ meets the curve $y = 2x^2 - x - 3$ at points $P$ and $Q$.
(main)[6]

Find the coordinates of $P$ and $Q$. Show all of your working and give your answers correct to $2$ decimal places.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$2x^2-5x-15=0$ or, equivalently, $y^2-34y+144=0$” …

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