2100020404 Level: AThe system of two linear equations can be represented graphically by two lines. Decide which of the pictures corresponds the following system. −x+3y=3.51.4x+y=2.9
2100020405 Level: AProvided that the missing parts of lines were completed, which of the pictures would depict solution of the system if solved graphically? x−7y=−93x−2y=11
9000007206 Level: AConsider the linear system: 2x−3y−12=0,???=0. In the following list, identify the missing second equation if you know that the system does not have a solution.−6x+9y−9=02x+3y−6=0−4x+6y+24=0x+2y−12=0
9000023901 Level: ASolve the following system and write the solution as the ordered pair [x,y]. x+y=−1x−y=5[2;−3][−2;1][3;−2][−3;2]
9000023902 Level: ASolve the following system and write the solution as the ordered pair [x,y]. 2x+y=2x+2y=7[−1;4][2;−2][1;3][3;−4]
9000023905 Level: ALet [x;y] be the solution of the system 2x+5y=7,−4x−3y=7. In the following list identify a true statement.x2+y2=25x2+y2=7x2−y2=−7y2−x2=7
9000023906 Level: ALet [x;y] be the solution of the system 2x+3y=4,4x+6y=9. In the following list identify a true statement.The system does not have any solution.x<yx>yx=y
9000023907 Level: ALet [x;y] be the solution of the system −x+2y=6,2x+3y=2. In the following list identify a true statement.|x|=|y||x|<|y||x|>|y|The system does not have any solution.