For what values of k, the roots of 9x2 + 8kx + 16 = 0 are real and eq – McqOptions

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1.	For what values of k, the roots of 9x2 + 8kx + 16 = 0 are real and equal?
A.	0
B.	-2,2
C.	-3,3
D.	-4, 4
Answer» D. -4, 4

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