Mathematics 0580 · IGCSE · Sketching curves

Sketching curves — practice question

(a)[3]

Complete the value table for $y = (x + 3)(x - 2)$.

(b)[4]

On the grid, sketch the graph of $y = (x + 3)(x - 2)$ for $-4 \leq x \leq 3$.

(c)[1]

State the coordinates of the graph's lowest point.

(d)[1]

State the equation of the graph's line of symmetry.

(e)[2]

Use your graph to solve the equation $(x + 3)(x - 2) = 3$.

Worked solution & mark scheme

This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: 6, 0, -4, -6, -6, -4, 0, 6

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