Lim Han Quan's answer to Nur Ayuni Yazid's Secondary 3 A Maths question.
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Start by factorising the quadratic functions, then lay them out in the f(x)=(factorised quad function)Q+ax+b format.
Thos helps you see the similarities in the three functions.
After that just find the similar X values and sub in to obtain the 2 simultanous equations to solve.
Hope this helps :)
Thos helps you see the similarities in the three functions.
After that just find the similar X values and sub in to obtain the 2 simultanous equations to solve.
Hope this helps :)
Date Posted:
7 years ago
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