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3 marksSubstitution in Algebraic Expressions

CSEC Mathematics · January 2010 · Paper 2 · Question 2(a)

This question involves algebraic simplification and solving inequalities.

Given that a = 6, b = -4 and c = 8, calculate the value of (a^2 + b) / (c - b).

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Other parts of this question

  1. 2(b)(i)Simplify the expression: 3(x - y) + 4(x + 2y).[2 marks]
  2. 2(b)(ii)Simplify the expression: (4x^2 * 3x^4) / (6x^3).[3 marks]
  3. 2(c)(i)Solve the inequality x - 3 < 3x - 7.[3 marks]
  4. 2(c)(ii)Determine the SMALLEST value of x that satisfies the inequality in (c)(i) above.[1 mark]

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