Mathematics 0580 · IGCSE · Sketching curves

Sketching curves — practice question

(a)[3]

Fill in the missing values in the table for $y = -x^2 - x + 14$.

(b)[4]

Using the grid, draw the graph of $y = -x^2 - x + 14$ for $-5 \le x \le 4$.

(c(i))[1]

Give the equation of the graph's line of symmetry.

(c(ii))[1]

Determine the coordinates of the highest point on the graph.

(d)[2]

Use your graph to solve the equation $-x^2 - x + 14 = -2$.

Worked solution & mark scheme

This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: -6; 2; 14; 14; 2; -6

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