Question on: WAEC Mathematics - 2009
Find the quadratic equation whose roots are -(\frac{1}{2}) and 3
A
2x2 - 2x + 3 = 0
B
2x2 - 2x - 3 = 0
C
2x2 - 5x + 3 = 0
D
3x2 - 5x - 3 = 0
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Correct Option: D
x = (\frac{-1}{2})
x = 3
2x = -1, x = 3; 2x + 1 = 0
x - 3 = 0
(2x + 1)(x - 3) = 0
2x2 - 6x + x - 3 = 0
2x2 - 5x - 3 = 0
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