Mathematics 0580 · IGCSE · Sketching curves

Sketching curves — practice question

(a(i))[3]

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

(a(ii))[4]

Using the grid, sketch the graph of $y = x^2 + 2x - 4$ for $-5 \le x \le 3$.

(a(iii))[1]

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

(a(iv))[2]

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

(b)[2]

State the equation of the line parallel to $L$ that goes through $(0,-2)$.

Worked solution & mark scheme

This 12-mark question has a full step-by-step worked solution and mark scheme. One marking point: The correct values are $4,-4,-5,-4,4$.

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