答案:B
解析:
Choice B is correct. Putting the equation in standard form yields:
k^2-1/2k=-1/16
k^2-1/2k+1/16=0
Next, complete the square: (k-1/4)^2=0
There is only one distinct solution to the equation: k=1/4
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答案:B
解析:
Choice B is correct. Putting the equation in standard form yields:
k^2-1/2k=-1/16
k^2-1/2k+1/16=0
Next, complete the square: (k-1/4)^2=0
There is only one distinct solution to the equation: k=1/4