2025 MGS(S) PRELIMS P1 Q12
2025 MGS(S) PRELIMS P1 Q12
Secondary 4
4 marks
- Express \(x^2-6x+8\) in the form \(a(x+b)^2+c\).[2]
- The curve \(y=x^2-6x+8\) is drawn. Using your answer in (a), write down
- the coordinates of the turning point,[1]
- the equation of the line of symmetry of the curve.[1]
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Answer:(a) \((x-3)^2-1\) (b)(i) \((3,-1)\) (b)(ii) \(x=3\)
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