【精品】一家银行的信贷部计划年初投入2574

一家银行的信贷部计划年初投入25000000元用于企业投资和个人贷款，希望这笔资金至少可带来30000元的收益，其中从企业贷款中获益12，从个人贷款中获益10，那么，信贷部应该如何分配资金呢则分配资金应该满足的条件为复习怎么样表示现实生活中存在的一些不等关系二元一次不等式组创设情境分析假设信贷部用于企业投资的资金为X元，用于个人贷款为Y元回忆初中一元一次不等式（组）的解集如何表示思考在直角坐标系内，二元一次不等式（组）的解集又如何表示呢例如温故知新探讨在平面内画一条直线，这条直线将平面分为几个部分这几个部分可以用怎样的式子来表示在平面直角坐标系中，所有的点被直线分成三类在直线上；在直线的左下方的平面区域内；在直线的右上方的平面区域内。新知探究66对于平面上坐标为3,3（0,0）,2,3,7,0,1,6的点讨论它们分别在直线的什么方位,它们的值分别为什么7,03,32,31,6（0,0）新知探究XY（1）二元一次不等式AXBYC0A,B不全为0在平面直角坐标系中表示直线AXBYC0某一侧所有点组成的平面区域。（2）由于对直线同一侧的所有点X,Y，把它代入AXBYC，所得实数的符号都相同，所以只需在此直线的某一侧取一个特殊点X0,Y0，从AX0BY0C的正负可以判断出AXBYC0表示哪一侧的区域。注意新知探究小诀窍YXAXBYC0如果C0,可取0,0如果C0,可取1,0或0,1判断方法直线定界,特殊点定域归纳提升O新知探究例4、画出不等式2XY60在平面直角坐标系中表示直线AXBYC0某一侧所有点组成的平面区域。确定步骤直线定界，特殊点定域；若C0，则直线定界，原点定域；小结二元一次不等式AXBYC0在平面直角坐标系中表示直线AXBYC0某一侧所有点组成的平面区域。确定步骤直线定界，系数定域；课堂小结，根据所给图形，把图中的平面区域用不等式表示出来XY10探索提高YOX42XY0Y20X2Y402例6、用不等式（组）表示由三直线XY0X2Y40及Y20所围成的平面区域。探索提高XY0XY0XY0XY0XY0XY0XY0XY0XY00XYXY0XY0ABCDA探索提高二元一次不等式表示平面区域二元一次不等式表示哪个平面区域的判定方法系数法、特值法）二元一次不等式组表示平面区域每个二元一次不等式表示区域的公共部分数学思想数形结合、化归、分类讨论小结课后思考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