2025 WGS P1 Q10

2025 WGS P1 Q10

Secondary 4
8 marks
  1. Solve \(x(x-4)>12\) and represent the solution set on a number line.[4]
  2. Without using a diagram, determine whether the line \(y=2x+3\) and the curve \(y=2x^2-5x+4\) have 0, 1 or 2 points of intersection.[4]

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Answer:(a) \(x<-2\) or \(x>6\), open endpoints. (b) 2 points.

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