2025 SST PRELIMS P2 Q1

2025 SST PRELIMS P2 Q1

Secondary 4
8 marks
2025 School of Science and Technology Prelims A Math Paper 2
  1. It is given that \(f(x)=x^4-px^3+7x^2+x-q\) has a quadratic factor \(x^2-2x-3\). Show that \(p=5\) and \(q=12\).[5]
  2. Hence, solve the equation \(x^4-px^3+7x^2+x-q=0\).[3]

Solution:

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Answer:(i) \(p=5,\ q=12\) (ii) \(x=-1\) or \(x=3\)

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