Age-product quadratic model

Age-product quadratic model

Secondary 2
TGM Original Questions

Nora is \(x\) years old and her father is four times her age. Six years ago their age product was \(580\).

  1. Form and simplify a quadratic.
  2. Solve it.
  3. Find her father’s present age.

Solution:

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Answer:(a) \(2x^2-15x-272=0\); (b) \(x=16\); (c) \(64\) years.

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