函数y=kx-4的图象平行于直线y=-2x,则k=______.
∵y=kx-4的图象平行于直线y=-2x,
∴k=-2.
故答案为:-2.
There is no_____to think more about the matter. Take it easy. [ ]
A. point
B. doubt
C. worry
D. need
法律上已经确认一定名称及规则的合同属于( )。
A.双务合同B.单务合同C.有名合同D.无名合同