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2 marksSolving Simultaneous Linear Equations

CSEC Mathematics · Question 2(c)(ii)

A number, x, is multiplied by 2, and the result is squared to give a new number, y.

Determine the two values of x that satisfy the equation y = x AND the equation derived in (c)(i).

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Other parts of this question

  1. 2(a)(i)Simplify completely 3p² × 4p⁵.[1 mark]
  2. 2(a)(ii)Simplify completely 3x / (4y³) ÷ 21x² / (20y²).[2 marks]
  3. 2(b)Solve the equation 3 / (7x - 1) + 1 / x = 0.[3 marks]
  4. 2(c)(i)Express y in terms of x.[1 mark]

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