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4 marksSums and Products of Roots

CSEC Additional Mathematics · 2017 · Paper 2 · Question 2(a)

The quadratic equation 2x² + 6x + 7 = 0 has roots α and β.

Calculate the value of 1/α + 1/β.

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Other parts of this question

  1. 2(b)Determine the range of values of x for which (2x + 3) / (x + 1) ≥ 0.[4 marks]
  2. 2(c)(i)Calculate the amount paid in the first year.[4 marks]
  3. 2(c)(ii)Calculate the TOTAL salary earned at the end of the contract.[2 marks]

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