2025 PHS PRELIMS P1 Q15

2025 PHS PRELIMS P1 Q15

Secondary 4
3 marks
  1. Sketch \(y=(x+4)(x-8)\), clearly indicating its \(x\)- and \(y\)-intercepts.[2]
  2. Use the graph to explain whether \(y=(x+4)(x-8)+26\) cuts the \(x\)-axis.[1]

Solution:

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Answer:(a) intercepts \((-4,0)\), \((8,0)\), \((0,-32)\) (b) two x-axis intersections

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