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Find the roots of the quadratic equation: 2x² + 3x - 9 = 0?
Question 1:
Find the roots of the quadratic equation: 2x² + 3x - 9 = 0?
A.
3, -3/2
B.
3/2, -3
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2x² + 6x - 3x - 9 = 0
2x(x + 3) - 3(x + 3) = 0
(x + 3)(2x - 3) = 0
=> x = -3 or x = 3/2.
C.
-3/2, -3
D.
3/2, 3
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