a*****g 发帖数: 1320 | 1 【 以下文字转载自 Parenting 讨论区 】
发信人: ashuang (越忙越年轻), 信区: Parenting
标 题: Algebra problem ask for help
发信站: BBS 未名空间站 (Wed Jul 27 00:11:33 2011, 美东)
WHAT IS THE AREA OF THE FIGURE THAT SHOWS THE SOLUTION OF THE SYSTEM -X+Y>=0
, Y>=-2, AND X<=4 WHEN GRAPHED ON A COORDINATE PLANE?
A) 4 SQUARE UNITS B) 12 SQUARE UNITS C) 18 SQUARE UNITS D) 36 SQUARE
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