【精品】一家银行的信贷部计划年初投入25

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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