Mathematics 0580 · IGCSE · Sketching curves

Sketching curves — practice question

(a)[3]

Find the equation for line $L$, writing it in the form $y = mx + c$.

(b(i))[2]

Fill in the table of values for $y = x^2 + 4x$.

(b(ii))[4]

On the grid, sketch the graph of $y = x^2 + 4x$ for $-6 \le x \le 3$.

(b(iii))[2]

From the graph, solve the equation $x^2 + 4x = 10$.

Worked solution & mark scheme

This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: Hence, $y=2.5x+10$.

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