Question on: WAEC Mathematics - 2009
If c and k are the roots of 6 - x - x2 = 0, find c + k
A
2
B
1
C
-1
D
-3
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Correct Option: C
6 - x - x2 = 0
a = -1; b = -1; c = 6
Sum of roots = c + k = -\(\frac{-b}{a}\)
= \(\frac{-(-1)}{-1}\)
= -1
a = -1; b = -1; c = 6
Sum of roots = c + k = -\(\frac{-b}{a}\)
= \(\frac{-(-1)}{-1}\)
= -1
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