Đề thi HK2 Toán 8 - THCS Yên Nghĩa - Hà Nội - Năm...

A \(S = \left\{ {x\,|\,x < \frac{{18}}{7}} \right\}.\)

B \(S = \left\{ {x\,|\,x > \frac{7}{{18}}} \right\}.\)

C \(S = \left\{ {x\,|\,x > \frac{{18}}{7}} \right\}.\)

D \(S = \left\{ {x\,|\,x < \frac{7}{{18}}} \right\}.\)

A \(S = \left\{ 0 \right\}.\)

B \(S = \left\{ 1 \right\}.\)

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

D \(S = \left\{ { - 1} \right\}.\)

A \(x \in \left\{ {\frac{{ - 13}}{4};\frac{9}{2}} \right\}\)

B \(x \in \left\{ {\frac{{ - 13}}{4};\frac{{ - 9}}{2}} \right\}\)

C \(x \in \left\{ {\frac{{13}}{4};\frac{9}{2}} \right\}\)

D \(x \in \left\{ {\frac{{13}}{4};\frac{{ - 9}}{2}} \right\}\)

A \(7\) và \(42\)

B \(6\) và \(36\)

C \(8\) và \(48\)

D \(5\) và \(30\)

A \(5760\,\,\left( {c{m^3}} \right)\)

B \(5670\,\,\left( {c{m^3}} \right)\)

C \(5600\,\,\left( {c{m^3}} \right)\)

D \(5560\,\,\left( {c{m^3}} \right)\)

A \(M = 1\)

B \(M = \frac{1}{2}\)

C \(M = \frac{1}{3}\)

D \(M = \frac{1}{4}\)