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已知反比例函数y=-的图象上有两点A(4,y1),B(5,y2),则y1与y2的大小关系是( )
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教案备课库《2016-2017学年下学期数学学科试卷初二年级期中考试》真题及答案
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(﹣2,y1),
(3,y2)是反比例函数y=
(k<0)图象上的两点,则有( ) A. y1<0<y2B. y2<0<y1
y1<y2<0
y2<y1<0
若反比例函数的图象上有两点P11y1和P22y2那么
y2<y1<0
y1<y2<0
y2>y1>0
y1>y2>0
如图在平面直角坐标系中一次函数y1=kx+b的图象分别交x轴y轴于A.B.两点与反比例函数y2=的图
.如图
,
两点在反比例函数y=
的图象上,
,
两点在反比例函数y=
的图象上,AC⊥y轴于点E.,BD⊥y轴于点F.,AC=2,BD=1,EF=3,则k
1
-k
2
的值是( ) A.6B.4C.3D.2
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