(a) On the axes, sketch the graph of $y = 5(x+1)(3x-2)(x-2)$, stating the intercepts with the coordinate axes. (b) Hence find the values of $x$ for which $5(x+1)(3x-2)(x-2) > 0$.

Additional Mathematics 4037/11 — May/June 2021

Cambridge O-Level · Calculator · worked solutions for every part, with the mark scheme

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Topics Calculus · Factors of polynomials · Quadratic functions · Equations, inequalities and graphs · Series · Logarithmic and exponential functions · +5 more

Q1Equations, inequalities and graphsFree sample

(a)

On the axes, sketch the graph of $y = 5(x+1)(3x-2)(x-2)$ , stating the intercepts with the coordinate axes.

Fig. 1

(b)

Hence find the values of $x$ for which $5(x+1)(3x-2)(x-2) > 0$ .

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Q2Calculus5M
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