A.\(m \in \left( { - \infty ;\,\, - 1} \right) \cup \left( {\dfrac{3}{5};\,\, + \infty } \right)\)
B.\(m \in \left( { - \dfrac{3}{5};\,\,1} \right)\)
C.\(m \in \left[ { - \dfrac{3}{5};\,\,1} \right]\)
D.\(m \in \left( { - \infty ;\,\, - \dfrac{3}{5}} \right) \cup \left( {1;\,\, + \infty } \right)\)

A.một đường thẳng.
B.một đường tròn.
C.một điểm.
D.một đường parabol.

A.\({\left( {x + 3} \right)^2} + {\left( {y - 1} \right)^2} = \sqrt 5 \)
B.\({\left( {x - 3} \right)^2} + {\left( {y + 1} \right)^2} = \sqrt 5 \)
C.\({\left( {x - 3} \right)^2} + {\left( {y + 1} \right)^2} = 5\)
D.\({\left( {x + 3} \right)^2} + {\left( {y - 1} \right)^2} = 5\)

A.\(2\)
B.\( - 1\)
C.\(1\)
D.\(-2\)

A.\(15\)
B.\(137\)
C.\(\dfrac{{333}}{5}\)
D.\(136\)

A.\({\left( {x + 3} \right)^2} + {\left( {y - 1} \right)^2} = 9\)
B.\({\left( {x - 3} \right)^2} + {\left( {y - 1} \right)^2} = 9\)
C.\({\left( {x + 3} \right)^2} + {\left( {y + 1} \right)^2} = 9\)
D.\({\left( {x - 3} \right)^2} + {\left( {y + 1} \right)^2} = 9\)

A.\({x^2} + {\left( {y + 1} \right)^2} = 1\)
B.\({x^2} + {y^2} = 1\)
C.\({\left( {x - 1} \right)^2} + {\left( {y - 1} \right)^2} = 1\)
D.\({\left( {x + 1} \right)^2} + {\left( {y + 1} \right)^2} = 1\)

A.\({\left( {x - 2} \right)^2} + {\left( {y - 3} \right)^2} = 9\)
B.\({\left( {x - 2} \right)^2} + {\left( {y - 3} \right)^2} = 4\)
C.\({\left( {x - 2} \right)^2} + {\left( {y - 3} \right)^2} = 3\)
D.\({\left( {x + 2} \right)^2} + {\left( {y + 3} \right)^2} = 9\)

A.\({x^2} + {y^2} + 2x - 4y - 5 = 0\)
B.\(4{x^2} + {y^2} + 2x - 4y + 3 = 0\)
C.\({x^2} + {y^2} - 2x - 4y - 5 = 0\)
D.\(4{x^2} + {y^2} - 2x - 4y + 3 = 0\)

A.\({x^2} + {y^2} - 4x + 2y - 5 = 0\)
B.\({x^2} + {y^2} + 8x - 4y - 5 = 0\)
C.\({x^2} + {y^2} - 8x + 4y - 5 = 0\)
D.\({x^2} + {y^2} + 8x - 4y - 25 = 0\)