If 2x² – kx + 3 = 0 has a root equal to -2, then what is value of k?
k= -11/2
Step-by-step explanation:
2(-2)^2 – k(-2) +3=0
2(4)+2k= -3
8+2k= -3
2k= -3-8
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k= -11/2
Step-by-step explanation:
2(-2)^2 – k(-2) +3=0
2(4)+2k= -3
8+2k= -3
2k= -3-8
k= -11/2