2015经济类联考数学模拟一（11-15）
11.若http://file.koolearn.com/2014/0118/20140118125331680.gif
，则
http://file.koolearn.com/2014/0118/20140118125334640.gif
的值等于( )
A.6 B.-7 C.6或-7 D.-6或7 E.以上结论均不正确
12.
http://file.koolearn.com/2014/0118/20140118125337562.gif
的值等于( )
A.
http://file.koolearn.com/2014/0118/20140118125349487.gif
B.
http://file.koolearn.com/2014/0118/20140118125349492.gif
C.
http://file.koolearn.com/2014/0118/20140118125350425.gif
D.
http://file.koolearn.com/2014/0118/20140118125350394.gif
E.
http://file.koolearn.com/2014/0118/20140118125351925.gif
13.若多项式
http://file.koolearn.com/2014/0118/20140118125351423.gif
能被
http://file.koolearn.com/2014/0118/20140118125352173.gif
整除，则实数
http://file.koolearn.com/2014/0118/20140118125352829.gif
等于( )
A.0 B.1 C.0或1 D.2或-1 E.2或1
14.已知多项式
http://file.koolearn.com/2014/0118/20140118125352230.gif
除以
http://file.koolearn.com/2014/0118/20140118125353251.gif
所得余数为1;除以
http://file.koolearn.com/2014/0118/20140118125353986.gif
所得余数为-1，则多项式
http://file.koolearn.com/2014/0118/20140118125352230.gif
除以
http://file.koolearn.com/2014/0118/20140118125354731.gif
所得余式是( )
A.
http://file.koolearn.com/2014/0118/20140118125354251.gif
B.
http://file.koolearn.com/2014/0118/20140118125355916.gif
C.
http://file.koolearn.com/2014/0118/20140118125352173.gif
D.
http://file.koolearn.com/2014/0118/20140118125355856.gif
E.
http://file.koolearn.com/2014/0118/20140118125356477.gif
15.若
http://file.koolearn.com/2014/0118/20140118125356822.gif
的三边
http://file.koolearn.com/2014/0118/20140118125356715.gif
满足
http://file.koolearn.com/2014/0118/20140118125357402.gif
，则
http://file.koolearn.com/2014/0118/20140118125356822.gif
为( )
A.等腰三角形 B.直角三角形 C.等边三角形
D.等腰直角三角形 E.以上结论均不正确
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