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若反比例函数y=-的图象经过点A(2,m),则m的值是A.-2B.2C.-D.
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若反比例函数y=-
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAAjCAYAAABCU/B9AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACuSURBVDhP7ZSLDcMwCESZjJ1Yh2UYxaNQzglO
3To/palUqZasyNIF8PEw+YlFJ7R+UVzUmdi1vOfsI5s4EcU+Iq7BzOUvbrYedaM2BD5PW6xvzMV2
b5B1Y+S8zN4X1d1YxhfH6nM+59yx+jSjACnYaOcl1WxdcWUMKYQS8vFqPhflIG1d2DcFeA5SP+do
kS0irz0u+UMVowSAbjIDH5d+Bb+WAYA436p0ZqT8UZAeDDeKw2COEx0AAAAASUVORK5CYII=
)
的图象经过点A(2,m),则m的值是( )
A.-2
B.2
C.-
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
D.
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反比例函数y=
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反比例函数y=
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反比例函数y=
(k≠0)的图象经过点(5,2),若点(1,n)也在反比例函数的图象上,则n等于( )
A.2
B.5
C.10
D.
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反比例函数y=
(k≠0)的图象经过点(5,2),若点(1,n)也在反比例函数的图象上,则n等于( )
A.2
B.5
C.10
D.
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反比例函数y=
(k≠0)的图象经过点(5,2),若点(1,n)也在反比例函数的图象上,则n等于( )
A.2
B.5
C.10
D.
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反比例函数y=
(k≠0)的图象经过点(5,2),若点(1,n)也在反比例函数的图象上,则n等于( )
A.2
B.5
C.10
D.
-
反比例函数的图象经过点(1,-2),则此函数的解析式是( )
A.y=2
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACsAAAAjCAYAAAANDvOtAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAF6SURBVFhH7VftDcUgCHQyd3Idl2EUR+FJFato
Y9toQpPXpD/6hef1OMDghw7zIaz4B/v6b4FDY0w6rccgAulhNni0DjI8QEeAy3W6rQZsAGiYDN52
7KoB20mHJKGVWQkWnEGBVY8MGrCNfs8nCmUQ0FuHnGr1JtSBBWfRS8/KiFWBJQdodBqTrL5WA5YS
qhQELgymlcNtsH2gUfB0b9exL/IGxKbQX9diMuRBbd6w/qOQiVnyNdNmIfi+kXgUmav8UItZQtL1
JwtkGVDjUIMF9MI/dmn2btyqkUldDm80RFZHpvyG2ZXfZGapamSwURLuypVXrvwiVgPWRkadwsTi
fRXrSq4wrskvSNjyyQl2UfZvQcm9QYj9edHrzpUWxI7Ocd3lLIg/D8FDYsmVPH/pHRjp7xJpBPQ6
b9T0BseAOElwNWCPkj+xTTVgITIr+xMpeBVgeUIoE62YELqiME/bPW9QI2O5vLMzXHRjKpi9S8Mf
7F2mnr73KWZ/JgFrEluq9PwAAAAASUVORK5CYII=
)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIAAAAjCAYAAADWtVmPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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==
)
D.
-
如图,反比例函数
的图象经过点B(-2,1),则k的值为( )
![](https://img.xintiku.com/upload/cc/69/cc6928095df0036992815eec76f53704.png)
A.2
B.-2
C.±2
D.-4
-
已知反比例函数
的图象经过点A(2,-3),则k的值是( )
A.2
B.-3
C.6
D.-6