2025 CGS PRELIMS P1 Q19

2025 CGS PRELIMS P1 Q19

Secondary 4
5 marks
  1. Factorise completely \(49x^2-(x+3)^2\).[2]
  2. One solution of the equation \(6x^2+kx-14=0\), where \(k\) is an integer, is \(x=\dfrac23\). Find
    1. the value of \(k\),[1]
    2. the other solution to the equation.[2]

Solution:

Solution locked

Sign in to view the step-by-step solution

Similar questions are unavailable for this question.
Answer:(a) \(3(8x+3)(2x-1)\) (b)(i) \(k=17\) (b)(ii) \(x=-\frac72\)

Need help? Join our JC Math tuition classes.

Learn more