Given that p = 2, q = -5 and r = - 4, evaluate 3p2 - q2 - r3

  • A 101
  • B 77
  • C 51
  • D -27
waec 2004mathematics

The correct answer is C. 51

3(2)2 - (-5)2 - (-4)3

3(4) – (25) – (-64); 12 – 25 + 64 = 51

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