If c and k are the roots of 6 - x - x2 = 0, find c + k
A
2
B
1
C
-1
D
-3
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
6 - x - x2 = 0
a = -1; b = -1; c = 6
Sum of roots = c + k = -\(\frac{-b}{a}\)
= \(\frac{-(-1)}{-1}\)
= -1
Source: Myschool Past Questions Archive (Record #36468)