Given that p = 2, q = -5 and r = - 4, evaluate 3p2 - q2 - r3
A
101
B
77
C
51
D
-27
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
3(2)2 - (-5)2 - (-4)3
3(4) – (25) – (-64); 12 – 25 + 64 = 51
Source: Myschool Past Questions Archive (Record #26666)