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直线y=kx-3与曲线x2+y2=4无交点,则k的取值范围是A.|k|<B.|k|≤C.k...
试题详情
直线y=kx-3与曲线x
2+y
2=4无交点,则k的取值范围是( )
A.|k|<
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAkCAYAAACAGLraAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAASdJREFU
SEvdVdsNhCAQhI7sxy4ogibogQKog8QeaGKPRXm6PMx93IPEeBKZnR1n5zj4xZrFOW+3yOdwFAHa
5d+mtsm9HwJwRqBW5yUMuKuhxRYsKGXf0MAaMLFkA7PAwIERd+oRZwEgl7QKgUTF5hEAQgUxCz0Y
6P1Sd0+lhkZyBkT5FbTW4aDcGGzyCL+nABWDWDcwOVmMAKwaaLB7kyCLCgApRwP5e2uHSsRDbsA2
OW5h5gNk8flpXA6DK4zylBVipckb7IUv9qQamV5fCmAVmT5rLaDzkt18EqGInTQiRXTWprxL41tM
3+0vYCoitvOEQQuIKTQ4P/FBpQfNdWAkDFMFdJhnsC5AGxw9rUgADM6qby9kT4cbwBnd7dVv5W+H
aWrP/MILfgf1sOYDDtoAAAAASUVORK5CYII=
)
B.|k|≤
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAkCAYAAACAGLraAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAASdJREFU
SEvdVdsNhCAQhI7sxy4ogibogQKog8QeaGKPRXm6PMx93IPEeBKZnR1n5zj4xZrFOW+3yOdwFAHa
5d+mtsm9HwJwRqBW5yUMuKuhxRYsKGXf0MAaMLFkA7PAwIERd+oRZwEgl7QKgUTF5hEAQgUxCz0Y
6P1Sd0+lhkZyBkT5FbTW4aDcGGzyCL+nABWDWDcwOVmMAKwaaLB7kyCLCgApRwP5e2uHSsRDbsA2
OW5h5gNk8flpXA6DK4zylBVipckb7IUv9qQamV5fCmAVmT5rLaDzkt18EqGInTQiRXTWprxL41tM
3+0vYCoitvOEQQuIKTQ4P/FBpQfNdWAkDFMFdJhnsC5AGxw9rUgADM6qby9kT4cbwBnd7dVv5W+H
aWrP/MILfgf1sOYDDtoAAAAASUVORK5CYII=
)
C.k>
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAkCAYAAACAGLraAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAASdJREFU
SEvdVdsNhCAQhI7sxy4ogibogQKog8QeaGKPRXm6PMx93IPEeBKZnR1n5zj4xZrFOW+3yOdwFAHa
5d+mtsm9HwJwRqBW5yUMuKuhxRYsKGXf0MAaMLFkA7PAwIERd+oRZwEgl7QKgUTF5hEAQgUxCz0Y
6P1Sd0+lhkZyBkT5FbTW4aDcGGzyCL+nABWDWDcwOVmMAKwaaLB7kyCLCgApRwP5e2uHSsRDbsA2
OW5h5gNk8flpXA6DK4zylBVipckb7IUv9qQamV5fCmAVmT5rLaDzkt18EqGInTQiRXTWprxL41tM
3+0vYCoitvOEQQuIKTQ4P/FBpQfNdWAkDFMFdJhnsC5AGxw9rUgADM6qby9kT4cbwBnd7dVv5W+H
aWrP/MILfgf1sOYDDtoAAAAASUVORK5CYII=
)
D.k>-
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直线y=kx-3与曲线x2+y2=4无交点,则k的取值范围是( )
A.|k|<![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAkCAYAAACAGLraAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAASdJREFU
SEvdVdsNhCAQhI7sxy4ogibogQKog8QeaGKPRXm6PMx93IPEeBKZnR1n5zj4xZrFOW+3yOdwFAHa
5d+mtsm9HwJwRqBW5yUMuKuhxRYsKGXf0MAaMLFkA7PAwIERd+oRZwEgl7QKgUTF5hEAQgUxCz0Y
6P1Sd0+lhkZyBkT5FbTW4aDcGGzyCL+nABWDWDcwOVmMAKwaaLB7kyCLCgApRwP5e2uHSsRDbsA2
OW5h5gNk8flpXA6DK4zylBVipckb7IUv9qQamV5fCmAVmT5rLaDzkt18EqGInTQiRXTWprxL41tM
3+0vYCoitvOEQQuIKTQ4P/FBpQfNdWAkDFMFdJhnsC5AGxw9rUgADM6qby9kT4cbwBnd7dVv5W+H
aWrP/MILfgf1sOYDDtoAAAAASUVORK5CYII=
)
B.|k|≤![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAkCAYAAACAGLraAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAASdJREFU
SEvdVdsNhCAQhI7sxy4ogibogQKog8QeaGKPRXm6PMx93IPEeBKZnR1n5zj4xZrFOW+3yOdwFAHa
5d+mtsm9HwJwRqBW5yUMuKuhxRYsKGXf0MAaMLFkA7PAwIERd+oRZwEgl7QKgUTF5hEAQgUxCz0Y
6P1Sd0+lhkZyBkT5FbTW4aDcGGzyCL+nABWDWDcwOVmMAKwaaLB7kyCLCgApRwP5e2uHSsRDbsA2
OW5h5gNk8flpXA6DK4zylBVipckb7IUv9qQamV5fCmAVmT5rLaDzkt18EqGInTQiRXTWprxL41tM
3+0vYCoitvOEQQuIKTQ4P/FBpQfNdWAkDFMFdJhnsC5AGxw9rUgADM6qby9kT4cbwBnd7dVv5W+H
aWrP/MILfgf1sOYDDtoAAAAASUVORK5CYII=
)
C.k>![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAkCAYAAACAGLraAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAASdJREFU
SEvdVdsNhCAQhI7sxy4ogibogQKog8QeaGKPRXm6PMx93IPEeBKZnR1n5zj4xZrFOW+3yOdwFAHa
5d+mtsm9HwJwRqBW5yUMuKuhxRYsKGXf0MAaMLFkA7PAwIERd+oRZwEgl7QKgUTF5hEAQgUxCz0Y
6P1Sd0+lhkZyBkT5FbTW4aDcGGzyCL+nABWDWDcwOVmMAKwaaLB7kyCLCgApRwP5e2uHSsRDbsA2
OW5h5gNk8flpXA6DK4zylBVipckb7IUv9qQamV5fCmAVmT5rLaDzkt18EqGInTQiRXTWprxL41tM
3+0vYCoitvOEQQuIKTQ4P/FBpQfNdWAkDFMFdJhnsC5AGxw9rUgADM6qby9kT4cbwBnd7dVv5W+H
aWrP/MILfgf1sOYDDtoAAAAASUVORK5CYII=
)
D.k>-
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