Đề thi HK1 Toán 7 - Huyện Mộc Xuyên - Năm 2017 - 2...

A \(0\)

B \(\frac{1}{6}\)    

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

D \(\frac{4}{3}\)

A \(15\)    

B \(25\)  

C \(10\)    

D \(20\)

A \(x = 0\)

B \(x = 5\)   

C \(x = 1\)    

D \(x = \frac{9}{5}\)

A \(\left[ \begin{array}{l}x =  - 2017\\x = 2011\end{array} \right.\)

B \(\left[ \begin{array}{l}x =  - 2017\\x =  - 2011\end{array} \right.\)       

C \(\left[ \begin{array}{l}x = 2017\\x = 2011\end{array} \right.\)       

D \(\left[ \begin{array}{l}x = 2017\\x =  - 2011\end{array} \right.\)    

A \(a)\,\,f\left( 0 \right) =  - 3\,;\,\,\,\,\,f\left( 2 \right) =  - 5\)

B \(a)\,\,f\left( 0 \right) =  - 3\,;\,\,\,\,\,f\left( 2 \right) = 5\)

C \(a)\,\,f\left( 0 \right) = 3\,;\,\,\,\,\,f\left( 2 \right) = 5\)

D \(a)\,\,f\left( 0 \right) = 3\,;\,\,\,\,\,f\left( 2 \right) =  - 5\)