Mathematics 0580 · IGCSE · Graphs of functions

Graphs of functions — practice question

(a)[2]

Complete the values table for $y = 4 + 3x - x^2$.

(b)[4]

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

(c)[2]

Use your graph to solve $4 + 3x - x^2 = 2x - 1$.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: These are $-6, 6, 4$.

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