Đề thi HK2 môn Toán lớp 10 THPT B Thanh Liêm Hà N...

A \(\mathbb{R}\).

B \(\left[ { - 2; - 3} \right]\).

C \(\left( { - \infty ; - 3} \right) \cup \left( { - 2; + \infty } \right)\).

D \(\left( { - \infty ; - 3} \right] \cup \left[ { - 2; + \infty } \right)\).

A \(\left( { - 1;2} \right]\).           

B \(\left[ { - 1;2} \right]\).

C \(\left( { - \infty ; - 1} \right] \cup \left[ {2; + \infty } \right)\).

D \(\left( { - \infty ; - 1} \right) \cup \left[ {2; + \infty } \right)\).

A \(1\)

B \(2\)

C \(3\)

D Vô số.

A \({x^2} + 5x + 5\).

B \(2{x^2} - 8x + 8\).

C \({x^2} + x + 1\).  

D \(2{x^2} + 5x + 2\).

A \(m \in \left( { - 3; + \infty } \right)\).

B \(m \in \left( { - \infty ; - 3\sqrt 2 } \right) \cup \left( {3\sqrt 2 ; + \infty } \right)\).   

C \(m \in \left( {3\sqrt 2 ; + \infty } \right)\).      

D \(m \in \left[ {3\sqrt 2 ; + \infty } \right)\).

A \(S = \left( { - \infty ; - 3} \right).\)                  

B \(S = \left( { - \infty ;2} \right).\)               

C \(S = \left( { - 3;2} \right).\)    

D \(S = \left( { - 3; + \infty } \right).\)

A \(\sin \left( {\alpha  - \pi } \right) > 0.\)

B \(\sin \left( {\alpha  - \pi } \right) < 0.\)            

C \(\sin \left( {\frac{\pi }{2} + \alpha } \right) < 0.\)

D \(\sin \left( {\pi  + \alpha } \right) > 0.\) 

A \(\tan \alpha  = 2\sqrt 2 \)

B \(\tan \alpha  =  - 2\sqrt 2 \)

C \(\tan \alpha  =  - \frac{{\sqrt 2 }}{4}\)          

D \(\tan \alpha  = \frac{{\sqrt 2 }}{4}\) 

A \(P = 2.\)

B \(P = 2\cos \alpha .\)

C \(P = 2\tan \alpha .\)

D \(P = \frac{2}{{\cos \alpha }}.\)

A \(p\)      

B \(q\)

C \(1\)      

D \(\frac{p}{q}\)

A \(\sqrt 2 \).        

B \(\sqrt 3 \).

C \(1\).

D \(2\).

A \(R = 3\).

B \(R = 3\sqrt 3 \).           

C \(R = \sqrt 3 \).

D \(R = 6\).

A \(\vec u = \left( {1;2} \right)\).

B \(\vec u = \left( { - 2; - 1} \right)\).

C \(\vec u = \left( {1; - 2} \right)\).

D \(\vec u = \left( {4; - 2} \right)\).

A \(\frac{{16}}{{\sqrt {10} }}\).          

B \(\frac{{4\sqrt {10} }}{5}\).

C \(\frac{{8\sqrt {10} }}{5}\).

D \(2.\)

A \({\left( {x + 2} \right)^2} + {\left( {y - 3} \right)^2} = 20.\)

B \({\left( {x - 2} \right)^2} + {\left( {y + 3} \right)^2} = 20.\)

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

D \({\left( {x - 2} \right)^2} + {\left( {y + 3} \right)^2} = 5.\)

A \(I\left( {3;2} \right),R = 5.\)

B \(I\left( { - 3; - 2} \right),R = 1.\)           

C \(I\left( { - 3; - 2} \right),R = 5.\)

D \(I\left( {3;2} \right),R = 1.\)

A \(d:x + 3y - 2 = 0.\)      

B \(d:x - 3y + 4 = 0.\)

C \(d:x - 3y - 4 = 0.\)       

D \(d:x + 3y + 2 = 0.\)

A \(\frac{{{x^2}}}{{25}} + \frac{{{y^2}}}{9} = 1.\)            

B \(\frac{{{x^2}}}{{100}} + \frac{{{y^2}}}{{81}} = 1.\)

C \(\frac{{{x^2}}}{{25}} - \frac{{{y^2}}}{{16}} = 1.\)       

D \(\frac{{{x^2}}}{{25}} + \frac{{{y^2}}}{{16}} = 1.\)

A \(\left( E \right)\) có các tiêu điểm \({F_1}\left( { - 4;0} \right)\) và \({F_2}\left( {4;0} \right).\)

B \(\left( E \right)\) có tỉ số \(\frac{c}{a} = \frac{4}{5}.\)

C \(\left( E \right)\) có đỉnh \({A_1}\left( { - 5;0} \right).\)

D \(\left( E \right)\) có độ dài trục nhỏ bằng 3.

A \(\left[ { - 3; - \frac{1}{2}} \right)\)

B \(\left[ { - 3; - \frac{1}{2}} \right]\)

C \(\left( { - \frac{1}{2}; + \infty } \right)\)

D \(\left( { - \infty ; - 3} \right]\)

A \(x \in \left[ { - \frac{5}{2}; - \frac{{\sqrt 2 }}{2}} \right) \cup \left( {\frac{{\sqrt 2 }}{2}; + \infty } \right)\)

B \(x \in \left( { - \infty ; - \frac{{\sqrt 2 }}{2}} \right) \cup \left( {\frac{{\sqrt 2 }}{2}; + \infty } \right)\)

C \(x \in \left( { - \infty ; - \frac{5}{2}} \right] \cup \left[ { - \frac{{\sqrt 2 }}{2};\frac{{\sqrt 2 }}{2}} \right]\)

D \(x \in \left( { - \infty ; - \frac{5}{2}} \right] \cup \left( {\frac{{\sqrt 2 }}{2}; + \infty } \right)\)

A \(\left( {\frac{{5 - \sqrt {65} }}{2};\frac{{5 + \sqrt {65} }}{2}} \right).\)

B \(\left( { - \infty ;\frac{{5 - \sqrt {65} }}{2}} \right) \cup \left( {\frac{{5 + \sqrt {65} }}{2}; + \infty } \right).\)

C \(\left( { - \infty ;\frac{{3 - \sqrt {55} }}{2}} \right) \cup \left( {\frac{{3 + \sqrt {55} }}{2}; + \infty } \right).\)

D \(\left( {\frac{{3 - \sqrt {55} }}{2};\frac{{3 + \sqrt {55} }}{2}} \right).\)

A \(x - y + 1 = 0\)

B \(x - y + 2 = 0\)

C \(x - y + 3 = 0\)

D \(x - y + 4 = 0\)

A \(x + y + 1 = 0\,\,;\,\,H\left( { - 1;0} \right)\)

B \(x + y + 2 = 0\,\,;\,\,H\left( { - 2;0} \right)\)

C \(x + y + 3 = 0\,\,;\,\,H\left( { - 3;0} \right)\)

D \(x + y + 4 = 0\,\,;\,\,H\left( { - 4;0} \right)\)

A \({x^2} + {y^2} + 4x - 2y - 20 = 0\)

B \({x^2} + {y^2} - 4x + 2y - 10 = 0\)

C \({x^2} + {y^2} - 4x + 2y - 20 = 0\)

D \({x^2} + {y^2} + 4x - 2y - 10 = 0\)