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下列函数的图象,一定经过原点的是A.B.y=5x2-3C.y=x2-1D.y=-3x+7
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下列函数的图象,一定经过原点的是( )
A.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAjCAYAAADxG9hnAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFmSURBVFhH5ZdtDsMgCIY5mXfiOl6Go3gUBvNj
im1susiarMl+2LX6iO8LFPghFzyEg/8QhJABIP9C5GSOwiciKXJAKksTo8K0cb7tApKIhgikGKao
uIBMhtBj+kVELAghsOHwOZoBZNDL5x/no0kcA3KVbQ/oCkIYOFrfFho3EHXKoAsRbD92AVFxtmRW
kxqMR3QZZJ7oaPJ878517607Ky3egRa2Pv9rwjmoBxvWb1PmiKi3YVQ0xbkw7QcRZ+MAQhyNz+5o
5Oo7XdHLFbHaKUk0jpKOQ0Q04xUQOSY8yzobSYprMkiQSKCzSOvemn2ze47rwMZAGNfI0NsldnOQ
pHdq+vDY+ska4rDzivg1V22Ym+5Kv/qb5lkjrptViHMNutSad7O8MIILyLuELNKCCwhJRGwtm1zz
tSAXE9TOrHXupjObEtoOIC16oZaL6iD7HeHds6426qKRFUTXBlx5dO8zj4nICxIEmTtROnVDAAAA
AElFTkSuQmCC
)
B.y=5x
2-3
C.y=x
2-1
D.y=-3x+7
相关试题
-
下列函数的图象,一定经过原点的是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAjCAYAAADxG9hnAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFmSURBVFhH5ZdtDsMgCIY5mXfiOl6Go3gUBvNj
im1susiarMl+2LX6iO8LFPghFzyEg/8QhJABIP9C5GSOwiciKXJAKksTo8K0cb7tApKIhgikGKao
uIBMhtBj+kVELAghsOHwOZoBZNDL5x/no0kcA3KVbQ/oCkIYOFrfFho3EHXKoAsRbD92AVFxtmRW
kxqMR3QZZJ7oaPJ878517607Ky3egRa2Pv9rwjmoBxvWb1PmiKi3YVQ0xbkw7QcRZ+MAQhyNz+5o
5Oo7XdHLFbHaKUk0jpKOQ0Q04xUQOSY8yzobSYprMkiQSKCzSOvemn2ze47rwMZAGNfI0NsldnOQ
pHdq+vDY+ska4rDzivg1V22Ym+5Kv/qb5lkjrptViHMNutSad7O8MIILyLuELNKCCwhJRGwtm1zz
tSAXE9TOrHXupjObEtoOIC16oZaL6iD7HeHds6426qKRFUTXBlx5dO8zj4nICxIEmTtROnVDAAAA
AElFTkSuQmCC
)
B.y=5x2-3
C.y=x2-1
D.y=-3x+7
-
下列函数的图象,一定经过原点的是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAjCAYAAADxG9hnAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFmSURBVFhH5ZdtDsMgCIY5mXfiOl6Go3gUBvNj
im1susiarMl+2LX6iO8LFPghFzyEg/8QhJABIP9C5GSOwiciKXJAKksTo8K0cb7tApKIhgikGKao
uIBMhtBj+kVELAghsOHwOZoBZNDL5x/no0kcA3KVbQ/oCkIYOFrfFho3EHXKoAsRbD92AVFxtmRW
kxqMR3QZZJ7oaPJ878517607Ky3egRa2Pv9rwjmoBxvWb1PmiKi3YVQ0xbkw7QcRZ+MAQhyNz+5o
5Oo7XdHLFbHaKUk0jpKOQ0Q04xUQOSY8yzobSYprMkiQSKCzSOvemn2ze47rwMZAGNfI0NsldnOQ
pHdq+vDY+ska4rDzivg1V22Ym+5Kv/qb5lkjrptViHMNutSad7O8MIILyLuELNKCCwhJRGwtm1zz
tSAXE9TOrHXupjObEtoOIC16oZaL6iD7HeHds6426qKRFUTXBlx5dO8zj4nICxIEmTtROnVDAAAA
AElFTkSuQmCC
)
B.y=5x2-3
C.y=x2-1
D.y=-3x+7
-
下列函数的图象,一定经过原点的是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAjCAYAAADxG9hnAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFmSURBVFhH5ZdtDsMgCIY5mXfiOl6Go3gUBvNj
im1susiarMl+2LX6iO8LFPghFzyEg/8QhJABIP9C5GSOwiciKXJAKksTo8K0cb7tApKIhgikGKao
uIBMhtBj+kVELAghsOHwOZoBZNDL5x/no0kcA3KVbQ/oCkIYOFrfFho3EHXKoAsRbD92AVFxtmRW
kxqMR3QZZJ7oaPJ878517607Ky3egRa2Pv9rwjmoBxvWb1PmiKi3YVQ0xbkw7QcRZ+MAQhyNz+5o
5Oo7XdHLFbHaKUk0jpKOQ0Q04xUQOSY8yzobSYprMkiQSKCzSOvemn2ze47rwMZAGNfI0NsldnOQ
pHdq+vDY+ska4rDzivg1V22Ym+5Kv/qb5lkjrptViHMNutSad7O8MIILyLuELNKCCwhJRGwtm1zz
tSAXE9TOrHXupjObEtoOIC16oZaL6iD7HeHds6426qKRFUTXBlx5dO8zj4nICxIEmTtROnVDAAAA
AElFTkSuQmCC
)
B.y=5x2-3
C.y=x2-1
D.y=-3x+7
-
下列函数的图象,一定经过原点的是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAjCAYAAADxG9hnAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFmSURBVFhH5ZdtDsMgCIY5mXfiOl6Go3gUBvNj
im1susiarMl+2LX6iO8LFPghFzyEg/8QhJABIP9C5GSOwiciKXJAKksTo8K0cb7tApKIhgikGKao
uIBMhtBj+kVELAghsOHwOZoBZNDL5x/no0kcA3KVbQ/oCkIYOFrfFho3EHXKoAsRbD92AVFxtmRW
kxqMR3QZZJ7oaPJ878517607Ky3egRa2Pv9rwjmoBxvWb1PmiKi3YVQ0xbkw7QcRZ+MAQhyNz+5o
5Oo7XdHLFbHaKUk0jpKOQ0Q04xUQOSY8yzobSYprMkiQSKCzSOvemn2ze47rwMZAGNfI0NsldnOQ
pHdq+vDY+ska4rDzivg1V22Ym+5Kv/qb5lkjrptViHMNutSad7O8MIILyLuELNKCCwhJRGwtm1zz
tSAXE9TOrHXupjObEtoOIC16oZaL6iD7HeHds6426qKRFUTXBlx5dO8zj4nICxIEmTtROnVDAAAA
AElFTkSuQmCC
)
B.y=5x2-3
C.y=x2-1
D.y=-3x+7
-
下列函数的图象,一定经过原点的是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAjCAYAAADxG9hnAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFmSURBVFhH5ZdtDsMgCIY5mXfiOl6Go3gUBvNj
im1susiarMl+2LX6iO8LFPghFzyEg/8QhJABIP9C5GSOwiciKXJAKksTo8K0cb7tApKIhgikGKao
uIBMhtBj+kVELAghsOHwOZoBZNDL5x/no0kcA3KVbQ/oCkIYOFrfFho3EHXKoAsRbD92AVFxtmRW
kxqMR3QZZJ7oaPJ878517607Ky3egRa2Pv9rwjmoBxvWb1PmiKi3YVQ0xbkw7QcRZ+MAQhyNz+5o
5Oo7XdHLFbHaKUk0jpKOQ0Q04xUQOSY8yzobSYprMkiQSKCzSOvemn2ze47rwMZAGNfI0NsldnOQ
pHdq+vDY+ska4rDzivg1V22Ym+5Kv/qb5lkjrptViHMNutSad7O8MIILyLuELNKCCwhJRGwtm1zz
tSAXE9TOrHXupjObEtoOIC16oZaL6iD7HeHds6426qKRFUTXBlx5dO8zj4nICxIEmTtROnVDAAAA
AElFTkSuQmCC
)
B.y=5x2-3
C.y=x2-1
D.y=-3x+7
-
下列函数的图象,一定经过原点的是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAjCAYAAADxG9hnAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFmSURBVFhH5ZdtDsMgCIY5mXfiOl6Go3gUBvNj
im1susiarMl+2LX6iO8LFPghFzyEg/8QhJABIP9C5GSOwiciKXJAKksTo8K0cb7tApKIhgikGKao
uIBMhtBj+kVELAghsOHwOZoBZNDL5x/no0kcA3KVbQ/oCkIYOFrfFho3EHXKoAsRbD92AVFxtmRW
kxqMR3QZZJ7oaPJ878517607Ky3egRa2Pv9rwjmoBxvWb1PmiKi3YVQ0xbkw7QcRZ+MAQhyNz+5o
5Oo7XdHLFbHaKUk0jpKOQ0Q04xUQOSY8yzobSYprMkiQSKCzSOvemn2ze47rwMZAGNfI0NsldnOQ
pHdq+vDY+ska4rDzivg1V22Ym+5Kv/qb5lkjrptViHMNutSad7O8MIILyLuELNKCCwhJRGwtm1zz
tSAXE9TOrHXupjObEtoOIC16oZaL6iD7HeHds6426qKRFUTXBlx5dO8zj4nICxIEmTtROnVDAAAA
AElFTkSuQmCC
)
B.y=5x2-3
C.y=x2-1
D.y=-3x+7
-
下列函数的图象,一定经过原点的是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAjCAYAAADxG9hnAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFmSURBVFhH5ZdtDsMgCIY5mXfiOl6Go3gUBvNj
im1susiarMl+2LX6iO8LFPghFzyEg/8QhJABIP9C5GSOwiciKXJAKksTo8K0cb7tApKIhgikGKao
uIBMhtBj+kVELAghsOHwOZoBZNDL5x/no0kcA3KVbQ/oCkIYOFrfFho3EHXKoAsRbD92AVFxtmRW
kxqMR3QZZJ7oaPJ878517607Ky3egRa2Pv9rwjmoBxvWb1PmiKi3YVQ0xbkw7QcRZ+MAQhyNz+5o
5Oo7XdHLFbHaKUk0jpKOQ0Q04xUQOSY8yzobSYprMkiQSKCzSOvemn2ze47rwMZAGNfI0NsldnOQ
pHdq+vDY+ska4rDzivg1V22Ym+5Kv/qb5lkjrptViHMNutSad7O8MIILyLuELNKCCwhJRGwtm1zz
tSAXE9TOrHXupjObEtoOIC16oZaL6iD7HeHds6426qKRFUTXBlx5dO8zj4nICxIEmTtROnVDAAAA
AElFTkSuQmCC
)
B.y=5x2-3
C.y=x2-1
D.y=-3x+7
-
下列函数的图象,一定经过原点的是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAjCAYAAADxG9hnAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFmSURBVFhH5ZdtDsMgCIY5mXfiOl6Go3gUBvNj
im1susiarMl+2LX6iO8LFPghFzyEg/8QhJABIP9C5GSOwiciKXJAKksTo8K0cb7tApKIhgikGKao
uIBMhtBj+kVELAghsOHwOZoBZNDL5x/no0kcA3KVbQ/oCkIYOFrfFho3EHXKoAsRbD92AVFxtmRW
kxqMR3QZZJ7oaPJ878517607Ky3egRa2Pv9rwjmoBxvWb1PmiKi3YVQ0xbkw7QcRZ+MAQhyNz+5o
5Oo7XdHLFbHaKUk0jpKOQ0Q04xUQOSY8yzobSYprMkiQSKCzSOvemn2ze47rwMZAGNfI0NsldnOQ
pHdq+vDY+ska4rDzivg1V22Ym+5Kv/qb5lkjrptViHMNutSad7O8MIILyLuELNKCCwhJRGwtm1zz
tSAXE9TOrHXupjObEtoOIC16oZaL6iD7HeHds6426qKRFUTXBlx5dO8zj4nICxIEmTtROnVDAAAA
AElFTkSuQmCC
)
B.y=5x2-3
C.y=x2-1
D.y=-3x+7
-
下列函数的图象,一定经过原点的是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAjCAYAAADxG9hnAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFmSURBVFhH5ZdtDsMgCIY5mXfiOl6Go3gUBvNj
im1susiarMl+2LX6iO8LFPghFzyEg/8QhJABIP9C5GSOwiciKXJAKksTo8K0cb7tApKIhgikGKao
uIBMhtBj+kVELAghsOHwOZoBZNDL5x/no0kcA3KVbQ/oCkIYOFrfFho3EHXKoAsRbD92AVFxtmRW
kxqMR3QZZJ7oaPJ878517607Ky3egRa2Pv9rwjmoBxvWb1PmiKi3YVQ0xbkw7QcRZ+MAQhyNz+5o
5Oo7XdHLFbHaKUk0jpKOQ0Q04xUQOSY8yzobSYprMkiQSKCzSOvemn2ze47rwMZAGNfI0NsldnOQ
pHdq+vDY+ska4rDzivg1V22Ym+5Kv/qb5lkjrptViHMNutSad7O8MIILyLuELNKCCwhJRGwtm1zz
tSAXE9TOrHXupjObEtoOIC16oZaL6iD7HeHds6426qKRFUTXBlx5dO8zj4nICxIEmTtROnVDAAAA
AElFTkSuQmCC
)
B.y=5x2-3
C.y=x2-1
D.y=-3x+7
-
(2011•杭州一模)下列函数的图象,一定经过原点的是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAjCAYAAADxG9hnAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFmSURBVFhH5ZdtDsMgCIY5mXfiOl6Go3gUBvNj
im1susiarMl+2LX6iO8LFPghFzyEg/8QhJABIP9C5GSOwiciKXJAKksTo8K0cb7tApKIhgikGKao
uIBMhtBj+kVELAghsOHwOZoBZNDL5x/no0kcA3KVbQ/oCkIYOFrfFho3EHXKoAsRbD92AVFxtmRW
kxqMR3QZZJ7oaPJ878517607Ky3egRa2Pv9rwjmoBxvWb1PmiKi3YVQ0xbkw7QcRZ+MAQhyNz+5o
5Oo7XdHLFbHaKUk0jpKOQ0Q04xUQOSY8yzobSYprMkiQSKCzSOvemn2ze47rwMZAGNfI0NsldnOQ
pHdq+vDY+ska4rDzivg1V22Ym+5Kv/qb5lkjrptViHMNutSad7O8MIILyLuELNKCCwhJRGwtm1zz
tSAXE9TOrHXupjObEtoOIC16oZaL6iD7HeHds6426qKRFUTXBlx5dO8zj4nICxIEmTtROnVDAAAA
AElFTkSuQmCC
)
B.y=5x2-3
C.y=x2-1
D.y=-3x+7