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Systems of Linear Equations and Inequalities in Two Variables 1
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Graph each system of linear inequalities on a graphing paper. Then choose the ordered pair(s) that is a (are) solution(s) to the system. Note that certain items may have more than one answer.

1. { x+y2       y1
(0, 0)
(2, 0)
(0, 2)
(1, 1)
(−2, 4)
none of the choices
Answer: (1, 1); (0, 2); (−2, 4)
2. { 3xy<6 3x+y6
(0, 0)
(−2, 0)
(0, −6)
(4, 4)
(2, 6)
none of the choices
Answer: (2, 6)
3. { x+y<2 2x+y>2
(0, 0)
(0, 2)
(0, −2)
(−2, 0)
(2, 5)
none of the choices
Answer: none of the choices
4. { x3, x1 y1, y3
(0, 0)
(2, 2)
(1, 3)
(3, 1)
(3, 3)
none of the choices
Answer: (2, 2); (1, 3); (3, 1); (3, 3)
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