2026 PCSS P1 Q7

2026 PCSS P1 Q7

Secondary 4
3 marks
  1. Express \(x^2+4x-10\) in the form \((x+p)^2+q\).[1]
  2. Sketch the graph of \(y=x^2+4x-10\) on the axes below.
    Indicate clearly the coordinates of the turning point and the value of the \(y\)-intercept.[2]

Solution:

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Answer:(a) \((x+2)^2-14\) (b) Upward parabola with turning point \((-2,-14)\), \(y\)-intercept \(-10\)

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