2026 NORTHBROOKS P1 Q18

2026 NORTHBROOKS P1 Q18

Secondary 4
3 marks
  1. Express \(y=x^2-10x+29\) in the form \(y=(x+a)^2+b\).[2]
  2. Explain why the graph of \(y=x^2-10x+29\) will not pass through the \(x\)-axis.[1]

Solution:

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Answer:(a) \(y=(x-5)^2+4\) (b) \(y\geq4>0\).

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