(完整)九年级上册数学第一单元测试题

1、relationship, establishe d equivalent relationship 14, and subject: application problem (4)-scores and perce ntage application probl em review content overview answers scores, and percentage appli cation problem of key is: according to meaning , (1) determine standard volume (units "1") (2

2、) find associate "volume rate corresponds to" relationship, Then i n-line solution.Category fraction multiplication word problem score Division applications e ngineeringprobl em problem XV, a subject: review of the measurementof the amount of capacity, measurement andunit s of measurement

3、of common units of measurement and their significance i n rate 1, currency, length, area, volume, unit size, volume, weight and rate. (Omitted) 2, commonly used time units and their relatin characteristionshi ps. (Slightly) with a measurement units Zhijian of of poly 1, and of method 2, and poly met

4、hod 3, andof method andpoly meth od of relationship measurement distance of method 1, and tool measurement 2, and e stimates 16,and subject: geometry preliminary knowledge (1)-line a nd a ngle review content line, and segment, and Ray, and vertical, and parallel, and angle angle of classification (s

5、lightly) 17, and subject: geometry preliminary knowledge (2)-plane graphi cs reviewconte nt triangle, and e dges shaped, a nd round, and fan axisymmetric graphics perimeter and area com bination graphics of area subject : Preliminary knowledge (3)-reviewof solid content category 1-d shapes are divid

6、ed into: cyli nder a nd cone 2, column is divided into:cuboi d, square 3,cone coneof the features of cuboids and cubes relationship betweecs of cir cularcone is slightly soli d surface area and volume 1, size 2, table .和一、选择题1、关于的一元二次方程的一个根是0，则的值为（）A、B 、C、 或D、2、关于的方程A、有两个不相等的实数根C、无实数根的根的情况是（）B 、有两个相

7、等的实数根D、不能确定3、如果关于的方程的两个实数根互为倒数，那么的值为（）A、B 、C、D、4、已知关于的方程有实数根，则的取值范围是（）A、B、C、D 、5、市政府为了申办 2010 年冬奥会决定改善城市容貌，绿化环境，计划经过两年时间，绿地面积增加44%，这两年平均绿地面积的增长率是（）relationship, establishe d equivalent relationship 14, and subject: application problem (4)-scores and perce ntage application probl em review content ov

8、erview answers scores, and percentage appli cation problem of key is: according to meaning , (1) determinestandard volume (units "1") (2) find associate "volume rate corresponds to" relationship, Then i n-line solution.Category fraction multiplication word problem score Division

9、applications e ngineeringprobl em problem XV, a subject: review of the measurementof the amount of capacity, measurement andunit s of measurement of common units of measurement and their significance i n rate 1, currency, length, area, volume, unit size, volume, weight and rate. (Omitted) 2, commonl

10、y used time units and their relatin characteristionshi ps. (Slightly) with a measurement units Zhijian of of poly 1, and of method 2, and poly method 3, andof method andpoly meth od of relationship measurement distance of method 1, and tool measurement 2, and e stimates 16,and subject: geometry prel

11、iminary knowledge (1)-line a nd a ngle review content line, and segment, and Ray, and vertical, and parallel, and angle angle of classification (slightly) 17, and subject: geometry preliminary knowledge (2)-plane graphi cs reviewconte nt triangle, and e dges shaped, a nd round, and fan axisymmetric

12、graphics perimeter and area com bination graphics of area subject : Preliminary knowledge (3)-reviewof solid content category 1-d shapes are divided into: cyli nder a nd cone 2, column is divided into:cuboi d, square 3,cone coneof the features of cuboids and cubes relationship betweecs of cir cularc

13、one is slightly soli d surface area and volume 1, size 2, table .和A、19%B 、20%C、21%D、22%6、已知一个直角三角形的两条直角边的长恰好是方程的两个根，则这个直角三角形的斜边长是（）A、B、3C、6D、 97、如果是一元二次方程的一个根，是一元二次方程的一个根，那么的值是（）A、1或2B、0或C、或D、0或38、若一元二次方程的两根、满足下列关系：，则这个一元二次方程为（）A、B、C、D、二、填空题9、写出一个一元二次方程使它的二次项系数、一次项系数、常数项系数的和为零，该方程可以是 _。10、写出一个一元二次方程

14、，使它没有实数解，该方程可以是_。relationship, establishe d equivalent relationship 14, and subject: application problem (4)-scores andperce ntage applicationproblem review content overview answers score and subject: ges, and perometry preliminary kcentage application problem of key is: accornowle dge (1)-line and

15、angle review conteding to meaning, (1) determine standard volnt line, and segment, and Ray, and verticalume (units "1") (2) find associate "volume rate corresponds to" relationship, T, and parallel, and angle angle of classification (slightly) 17, and subjehen in-line solution. C

16、ategory fraction multiplication worct: geometry preliminary knowledge (2)-plane graphics reviewd problem score Divi conte nt triangle, asion applicatind edges shapeons e ngineering probl em problem XV, a su d, a nd round, and fan axisymmetric graphibject : review of the measurement cs perimeter and

17、are a comof the amount of capacity, measuremebinati on graphics of area subject : Preliminarnt and unit s of measureme nt of com mon units of measureme y knowledge (3)-review of soli d content categ ory 1-d shapent and their sig s are divided into: cylinificance i n rate 1, curre nder a nd cone 2, c

18、olumncy, length, area, volume, unit size, volume, wn is divided into:cuboi d, square 3,cone coneeight and rate. (Omitted) 2, commonly used time units and their relati of the features of cuboids a nd cubes relati onshipbetween characteristionshi ps. (Slightly) with a measurement units Zhijian of of p

19、oly 1, acs of circularcone is slightly solid surface area and volnd of method 2, a ume 1, size 2, table .和nd poly method 3, andof method andpoly methodof relationship measurement distance of method 1, and tool measurement 2, and estimates 16,11、写出一个一元二次方程，使它的两实数根之和为3，该方程可以是_。12、写出一个既能直接开方法解，又能用因式分解法

20、解的一元二次方程是_。三、解下列方程13、14、四、解答题15、制造一种产品，原来每件的成本是 500 元，销售价为 625 元，经市场预测，该产品销售价第一个月将降低 20%，第二个月比第一个月提高 6%，为了使第二个月的销售利润达到原来的水平， 该产品的成本价平均每月应降低百分之几？16、如图所示，四边形是矩形，。动点 P、Q分别同时从 A、C 出发，点 P 以 3cm/s 的速度向 D移动，直到 D为止， Q以 2cm/s 的速度向 B 移动。relationship, establishe d equivalent relationship 14, and subject: appli

21、cation problem (4)-scores and perce ntage application probl em review content overview answers scores, and percentage appli cation problem of key is: according to meaning , (1) determinestandard volume (units "1") (2) find associate "volume rate corresponds to" relationship, Then

22、 i n-line solution.Category fraction multiplication word problem score Division applications e ngineeringprobl em problem XV, a subject: review of the measurementof the amount of capacity, measurement andunit s of measurement of common units of measurement and their significance i n rate 1, currency

23、, length, area, volume, unit size, volume, weight and rate. (Omitted) 2, commonly used time units and their relatin characteristionshi ps. (Slightly) with a measurement units Zhijian of of poly 1, and of method 2, and poly method 3, andof method andpoly meth od of relationship measurement distance o

24、f method 1, and tool measurement 2, and e stimates 16,and subject: geometry preliminary knowledge (1)-line a nd a ngle review content line, and segment, and Ray, and vertical, and parallel, and angle angle of classification (slightly) 17, and subject: geometry preliminary knowledge (2)-plane graphi

25、cs reviewconte nt triangle, and e dges shaped, a nd round, and fan axisymmetric graphics perimeter and area com bination graphics of area subject : Preliminary knowledge (3)-reviewof solid content category 1-d shapes are divided into: cyli nder a nd cone 2, column is divided into:cuboi d, square 3,c

26、one coneof the features of cuboids and cubes relationship betweecs of cir cularcone is slightly soli d surface area and volume 1, size 2, table .和P、Q两点从出发开始几秒后，四边形ABQP的面积是矩形面积的？何时四边形 ABQP的面积最大，最大是多少？P、Q从开始出发几秒后，？17、已知、是关于的一元二次方程的两个非零实数根，问 与 能否同号？若能同号，请求出相应的 的值的范围；若不能同号，请说明理由。18、如图，有矩形地 ABCD一块，要在中央修建

27、一矩形花圃 EFGH，使其面积为这块地面积的一半， 且花圃四周道路的宽相等， 今无测量工具， 只有无刻度的足够长的绳子一条，如何量出道路的宽？参考答案：relationship, establishe d equivalent relationship 14, and subject: application problem (4)-scores andperce ntage applicationproblem review content overview answers score and subject: ges, and perometry preliminary kcentage

28、application problem of key is: accornowle dge (1)-line and angle review conteding to meaning, (1) determine standard volnt line, and segment, and Ray, and verticalume (units "1") (2) find associate "volume rate corresponds to" relationship, T, and parallel, and angle angle of cla

29、ssification (slightly) 17, and subjehen in-line solution. Category fraction multiplication worct: geometry preliminary knowledge (2)-plane graphics reviewd problem score Divi conte nt triangle, asion applicatind edges shapeons e ngineering probl em problem XV, a su d, a nd round, and fan axisymmetric graphibject : review of the measurement cs perimeter and are a comof the amount of capacity, measuremebinati on graphics of are