What are the values of k for which the equation 4x2 - kx + 9 = 0 has r – McqOptions

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1.	What are the values of k for which the equation 4x2 - kx + 9 = 0 has real roots?
A.	k ≤ -12 and k ≥ 12
B.	-12 < k < 12
C.	12 < k < -12
D.	-12 ≤ k ≤ 12
Answer» B. -12 < k < 12

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