Mathematics 0580 · IGCSE · Sketching curves

Sketching curves — practice question

The grid underneath shows the straight line $L$. Its equation is $y = 2x + c$.
(a)[1]

Find the value of $c$.

(b(i))[2]

Complete the table showing values of $y = x^2 - 3x - 2$.

(b(ii))[4]

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

(b(iii))[2]

Write down the $x$-values at which line $L$ meets the curve $y = x^2 - 3x - 2$.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: The correct value is \(-1\)

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