Đề thi HK2 Toán 8 - Huyện Vĩnh Bảo - Hải Phòng - N...

A \(S = \left\{ { - 9} \right\}\)

B \(S = \left\{ 9 \right\}\)

C \(S = \left\{ { - \frac{{13}}{7}} \right\}\)

D \(S = \left\{ {\frac{{27}}{7}} \right\}\)

A \(S = \left\{ { - 1;\;0;\;1} \right\}\)

B \(S = \left\{ { - 4;\;0;\;2} \right\}\)

C \(S = \left\{ { - 2;\;0;\;2} \right\}\)

D \(S = \left\{ { - 1;\;0;\;4} \right\}\)

A \(S = \left\{ {\frac{3}{5}} \right\}\)

B \(S = \left\{ {\frac{5}{3}} \right\}\)

C \(S = \left\{ {\frac{4}{3}} \right\}\)

D \(S = \left\{ {\frac{3}{4}} \right\}\)

A \(S = \left\{ {0;\;1 \pm \sqrt 3 } \right\}.\)  

B \(S = \left\{ {0;\;1 \pm \sqrt 3 ;\,\, - 2} \right\}.\)  

C \(S = \left\{ {2;\;1 + \sqrt 3 } \right\}.\)  

D \(S = \left\{ {0;\;1 + \sqrt 3 } \right\}.\)

A \(S = \left\{ {x\left| {x \ge 3} \right.} \right\}\) 

B \(S = \left\{ {x\left| {x \le 3} \right.} \right\}\)

C \(S = \left\{ {x\left| {x \le 2} \right.} \right\}\)

D \(S = \left\{ {x\left| {x \ge 2} \right.} \right\}\)

A \(S = \left\{ {x\left| {x < \frac{7}{{10}}} \right.} \right\}\)

B \(S = \left\{ {x\left| {x > \frac{7}{{10}}} \right.} \right\}\)

C \(S = \left\{ {x\left| {x < \frac{{10}}{7}} \right.} \right\}\)  

D \(S = \left\{ {x\left| {x > \frac{{10}}{7}} \right.} \right\}\)