Mathematics 0580 · IGCSE · Sketching curves

Sketching curves — practice question

(a)[2]

Complete the values table for $y = x^2 - 4x - 2$.

(b)[4]

Using the grid, sketch the graph of $y = x^2 - 4x - 2$ for $-2 \le x \le 5$.

(c)[2]

Use your graph to solve the equation $x^2 - 4x - 2 = 0$.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: Answers: $10$ and $-6$

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