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Chapter 5 Equations, inequalities and graphs This section will show you how to:
solve graphically or algebraically equations of the type ax + b = cx + d
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solve graphically or algebraically inequalities of the type ax + b > c (c 0 ) ,
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solve cubic inequalities in the form k (x − a )(x − b )(x − c ) d graphically
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ax + b c ( c > 0 ) and ax + b cx + d
sketch the graphs of cubic polynomials and their moduli, when given in factorised form use substitution to form and solve quadratic equations.
Original material © Cambridge University Press 2017
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