CSEC Mathematics · 2021 · Paper 2 · Question 2(a)(i)
Two quantities, n and T, are related as follows: n = \sqrt{T}.
Find the value of n when T = 49.
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Practise this questionOther parts of this question
- 2(a)(ii)Make
Tthe subject of the formula.[1 mark] - 2(b)(i)Write expressions in terms of
xfor Jim's age and Chris' age.[2 marks] - 2(b)(ii)In two years' time, the product of Ally's age and Chris' age will be the same as the square of Jim's present age. Show that the equation
x^2 - 4x - 21 = 0…[3 marks] - 2(b)(iii)Calculate Ally's present age.[2 marks]
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