Mathematics 0580 · IGCSE · Graphs of functions

Graphs of functions — practice question

(a)[2]

Complete the values table.

(b)[4]

Using the grid, draw the graph of $y = x^2 - 5x - 2$ for $-2 \le x \le 6$.

(c)[1]

Using the grid, draw the line $y = 2$.

(d)[2]

Use your graph to find the values of $x$ that satisfy $x^2 - 5x - 2 = 2$.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The required entries are $12,\,-6,\,-6$.” …