沪教版数学七年级下册第十五章平面直角坐标系第1节平面直角坐标系习题精选第九十六篇.docx
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沪教版数学七年级下册第十五章平面直角坐标系第1节平面直角坐标系习题精选第九十六篇.docx
《沪教版数学七年级下册第十五章平面直角坐标系第1节平面直角坐标系习题精选第九十六篇.docx》由会员分享,可在线阅读,更多相关《沪教版数学七年级下册第十五章平面直角坐标系第1节平面直角坐标系习题精选第九十六篇.docx(28页珍藏版)》请在冰点文库上搜索。
沪教版数学七年级下册第十五章平面直角坐标系第1节平面直角坐标系习题精选第九十六篇
2019-2020年沪教版数学七年级下册第十五章平面直角坐标系第1节平面直角坐标系习题精选第九十六篇
第1题【单选题】
已知点A(1﹣2x,x﹣1)在第二象限,则x的取值范围在数轴上表示正确的是()
A、
B、
C、
D、
【答案】:
【解析】:
第2题【单选题】
定义:
平面内的直线l1与l2相交于点O,对于该平面内任意一点M,点M到直线l1、l2的距离分别为a、b,则称有序非实数对(a,b)是点M的“距离坐标”,根据上述定义,距离坐标为(2,1)的点的个数有().
A、2个
B、3个
C、4个
D、5个
【答案】:
【解析】:
第3题【单选题】
在平面直角坐标系中,若点M的坐标是(m,n),且点M在第二象限,则mn的值()
A、<0
B、>0
C、=0
D、不能确定
【答案】:
【解析】:
第4题【单选题】
如图是我市几个旅游景点的大致位置示意图,如果用(0,0)表示新宁莨山的位置,用(1,5)表示隆回花瑶的位置,那么城市南山的位置可以表示为()
A、(2,1)
B、(0,1)
C、(﹣2,﹣1)
D、(﹣2,1)
【答案】:
【解析】:
第5题【单选题】
已知a>0,b<0,那么点P(a,b)在()
A、第一象限
B、第二象限
C、第三象限
D、第四象限
【答案】:
【解析】:
第6题【单选题】
无论m为何值,点A(m-3,5-2m)不可能在()
A、第一象限
B、第二象限
C、第三象限
D、第四象限
【答案】:
【解析】:
第7题【单选题】
在平面直角坐标系中,点M(﹣2,1)在()
A、第一象限
B、第二象限
C、第三象限
D、第四象限
【答案】:
【解析】:
第8题【单选题】
若点P(x,5)在第二象限内,则x应是()
A、正数
B、负数
C、非负数
D、有理数
【答案】:
【解析】:
第9题【单选题】
如果点A(m,n)在第三象限,那么点B(0,m+n)在()
A、x轴正半轴上
B、x轴负半轴上
C、y轴正半轴上
D、y轴负半轴上
【答案】:
【解析】:
第10题【单选题】
如图,动点P从(0,3)出发,沿所示方向运动,每当碰到矩形的边时反弹,反弹时反射角等于入射角,当点P第2015次碰到矩形的边时,点P的坐标为()
A、(3,0)
B、(7,4)
C、(8,1)
D、(1,4)
【答案】:
【解析】:
第11题【单选题】
点P位于x轴上方,距x轴4个单位长度,又在y轴左方,距y轴3个单位长度,则点P的坐标是()
A、(3,﹣4)
B、(﹣3,4)
C、(4,﹣3)
D、(﹣4,3)
【答案】:
【解析】:
第12题【单选题】
武汉市统计局统计了今年第一季度每月人均GDP的增长情况,并绘制了如图所示的统计图.下列结论:
①1月份的人均GDP增长率最高;②2月份的人均GDP比1月份低;③这三个月的人均GDP都在增长.其中正确的结论是()
A、①②③
B、①②
C、①③
D、②③
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