A.\(1\)
B.\(2\)
C.\(3\)
D.\(4\)

A.\(x - y + 1 = 0\)
B.\(5x + 3y + 9 = 0\)
C.\(3x + 3y - 5 = 0\)
D.\(x + y + 3 = 0\)

A.\(3x - 4y + 8 = 0\) hoặc \(3x - 4y + 12 = 0\)
B.\(3x - 4y - 8 = 0\) hoặc \(3x - 4y + 12 = 0\)
C.\(3x - 4y - 8 = 0\) hoặc \(3x - 4y - 12 = 0\)
D.\(3x - 4y + 8 = 0\) hoặc \(3x - 4y - 12 = 0\)

A.\(P = 72\)
B.\(P =  - 132\)
C.\(P = 132\)
D.\(P =  - 72\)

A.\(12x + 4y - 3 = 0\)
B.\(2x - 6y + 7 = 0\)
C.\(12x + 6y - 7 = 0\)        \(2x + 6y - 7 = 0\)
D.\(2x + 6y - 7 = 0\)

A.schedule
B.education  
C.science  
D.technology

A.core
B.part  
C.center  
D.middle

A.with
B.for  
C.to  
D.over

A.into
B.to  
C.from  
D.on

A.require
B.requirement  
C.requiring  
D.required