人教版九年级数学上学期第一次月考试卷（含答案）

《人教版九年级数学上学期第一次月考试卷（含答案）》由会员分享，可在线阅读，更多相关《人教版九年级数学上学期第一次月考试卷（含答案）（18页珍藏版）》请在装配图网上搜索。

1、人教版九年级数学上学期第一次月考试卷含答案 Do the following three main points: 1 find out the weak. Review process is to sum up the knowledge on the one hand, make the knowledge more coherent system and regularity, but also let the students themselves, looks up the deficiencies. So, we teachers to understand the student

2、s knowledge of the situation prior to the review, students not only found widespread deficiencies, but also some shortings, for these well designed programs, reasonable arrangement of time, this review is more targeted and more effective. For exle, you can design a form for investigation, understand

3、ing students weaknesses in each knowledgeput it as a review of key, bined with the problem of textbooks to reviewboth to avoid casting a tihaizhanshu, and improve the efficiency of review. 2, good collation. Through six years of study, students in the basics, reading method, exercises, and so alread

4、y have a certain degree of accumulation, the review stage, teachers should know how to guide the students to label the accumulation, process, form a system of knowledge works. Exercises for students to be representative, arnestly do a problem learning a method, class of pass was to get s. 3, pay att

5、ention to use. The accumulation of knowledge is ultimately to use, therefore, review the situation and life situation to be created in a variety of languages, guide students on the basis of the previous accumulation of knowledge to use to the maximum, and really apply what they have learned. Second,

6、 review the content and strategy of the first part: the basics (a) 1, review the main points of Hanyu Pinyin is able to recite and write down the alphabet of Hanyu Pinyin; accurate spelling pronunciation (after reading cacuminal, nasal sound, light, and retroflex sounds), the correct write consonant

7、s, vowels and syllables. 2,. main types according to the order of the alphabet of Hanyu Pinyin alphabetical order; fill in the appropriate uppercase and lowercase letters; see phoic writing words; pinyin to write sentences with dot to select the correct pronunciation of the word; to bring some initi

8、al consonants or vowels, word selection. Second, the main types of words (1) Ruby written words; (2) to bring Word to select the correct pronunciation; (3) use a sequencer and radical character lookup method九年级数学上学期第一次月考试卷一、选择题本大题共有10小题，每题3分，共30分 1.假设a为任意实数, 以下各式中一定有意义的是 A.a B.?a2 C.a2?1 D.a2?1 2.以下

9、各式中，属于最简二次根式的是 A.x2?y2 B.xy1 C.12 D.1 x23.以下方程，是一元二次方程的是 223x?x?20 2x?3xy?4?0 x?21x?4 x2?0 x2-3?0 x3 A. B. C. D. 4.假设x3?x?x，那么x的取值范围是 3?x A.x3 B. x?3 C.0?x3 D.x?0 5.方程(x?3)?(x?3)的根为 A.3 B.4 C.4或3 D.?4或3 6.用配方法解方程x2?8x?7?0,那么配方正确的选项是 A.?x?4-9 B.?x?4-9 C.?x?8-16 D.?x?8-57 7.关于x的一元二次方程(a?1)x?x?a?1?0的一个

10、根为0，那么a的值为 A.1 B.1 C.1或1 D.222222221 28.三角形两边长分别是8和6，第三边长是一元二次方程x?16x?60?0的一个实数根，那么该三角形的面积是 A.24 B.48 C.24或85 D. 85 9.以下二次根式中, 与3是同类二次根式的是 2 310.某农场的粮食产量在两年内从2800吨增加到3090吨，假设设平均每年增产的百分率为x，那么所列的方程为 A. 18 B. 12 C. 6 D. A.2800?1?x-3090； B.?1?x-290； 2Do the following three main points: 1 find out the we

11、ak. Review process is to sum up the knowledge on the one hand, make the knowledge more coherent system and regularity, but also let the students themselves, looks up the deficiencies. So, we teachers to understand the students knowledge of the situation prior to the review, students not only found w

12、idespread deficiencies, but also some shortings, for these well designed programs, reasonable arrangement of time, this review is more targeted and more effective. For exle, you can design a form for investigation, understanding students weaknesses in each knowledge, put it as a review of key, bined

13、 with the problem of textbooks to reviewboth to avoid casting a tihaizhanshu, and improve the efficiency of review. 2, good collation. Through six years of study, students in the basics, reading method, exercises, and so already have a certain degree of accumulation, the review stage, teachers shoul

14、d know how to guide the students to label the accumulation, process, form a system of knowledge works. Exercises for students to be representative, arnestly do a problem learning a method, class of pass was to get s. 3, pay attention to use. The accumulation of knowledge is ultimately to use, theref

15、ore, review the situation and life situation to be created in a variety of languages, guide students on the basis of the previous accumulation of knowledge to use to the maximum, and really apply what they have learned. Second, review the content and strategy of the first part: the basics (a) 1, rev

16、iew the main points of Hanyu Pinyin is able to recite and write down the alphabet of Hanyu Pinyin; accurate spelling pronunciation (after reading cacuminal, nasal sound, light, and retroflex sounds), the correct write consonants, vowels and syllables. 2,. main types according to the order of the alp

17、habet of Hanyu Pinyin alphabetical order; fill in the appropriate uppercase and lowercase letters; see phoic writing words; pinyin to write sentences with dot to select the correct pronunciation of the word; to bring some initial consonants or vowels, word selection. Second, the main types of words

18、(1) Ruby written words; (2) to bring Word to select the correct pronunciation; (3) use a sequencer and radical character lookup methodC.2800?1?x-3090 D.28001?x2?2-3090 二、填空题本大题共有10小题，每题3分，共30分 11x?10x? ?(x? ). 12在直角坐标系内，点P5，5到原点的间隔 为 . 13. 假设a2?3,b?2,且ab?0,那么a?b? . 1410在两个连续整数a和b之间，且a?10?b，那么a、b的值分别

19、是 . 15一元二次方程x+3x+m=0的一个根为-1，那么另一个根为_. 16某矩形的长为a ，宽为b ，且abab28，那么ab的值为 _。 17关于x的方程(x?2)2?m?1有解，那么m的取值范围是 . 18观察分析p 以下数据，寻找规律：0，3，6，3，23，15，32， ，那么第10个数据应是 . 19方程x?7x?12?0的两根恰好RtABC的两条边的长，那么RtABC的第三边长为 . 20. 一个两位数，个位数字比十位数字大3，个位数字的平方刚好等于这个两位数，那么这个两位数是 . 2222三、解答题本大题共有8小题，共60分 21此题总分值6分计算： 1613)?27 (3?

20、2)?(2?27) 2(48?424 22此题总分值6分用适当的方法解以下方程： 21(3x?1)?(x?1) 22x?x?221?0 2 2223此题总分值5分假设x=1是方程mx3xn=0的根，求(mn)4mn的值。 2 Do the following three main points: 1 find out the weak. Review process is to sum up the knowledge on the one hand, make the knowledge more coherent system and regularity, but also let th

21、e students themselves, looks up the deficiencies. So, we teachers to understand the students knowledge of the situation prior to the review, students not only found widespread deficiencies, but also some shortings, for these well designed programs, reasonable arrangement of time, this review is more

22、 targeted and more effective. For exle, you can design a form for investigation, understanding students weaknesses in each knowledge, put it as a review of key, bined with the problem of textbooks to reviewboth to avoid casting a tihaizhanshu, and improve the efficiency of review. 2, good collation.

23、 Through six years of study, students in the basics, reading method, exercises, and so already have a certain degree of accumulation, the review stage, teachers should know how to guide the students to label the accumulation, process, form a system of knowledge works. Exercises for students to be re

24、presentative, arnestly do a problem learning a method, class of pass was to get s. 3, pay attention to use. The accumulation of knowledge is ultimately to use, therefore, review the situation and life situation to be created in a variety of languages, guide students on the basis of the previous accu

25、mulation of knowledge to use to the maximum, and really apply what they have learned. Second, review the content and strategy of the first part: the basics (a) 1, review the main points of Hanyu Pinyin is able to recite and write down the alphabet of Hanyu Pinyin; accurate spelling pronunciation (af

26、ter reading cacuminal, nasal sound, light, and retroflex sounds), the correct write consonants, vowels and syllables. 2,. main types according to the order of the alphabet of Hanyu Pinyin alphabetical order; fill in the appropriate uppercase and lowercase letters; see phoic writing words; pinyin to

27、write sentences with dot to select the correct pronunciation of the word; to bring some initial consonants or vowels, word selection. Second, the main types of words (1) Ruby written words; (2) to bring Word to select the correct pronunciation; (3) use a sequencer and radical character lookup method

28、24.6分某药品经过两次降价，每瓶零售价由100元降为81元，两次降价的百分率一样。求每次降价的百分率。 25此题总分值7分a、b、c满足a?8?b?5?c?18 求a、b、c的值； 试问以a、b、c为边能否构成三角形？假设能构成三角形，恳求出三角形的周长，假设不能，请说明理由。 26此题总分值8分a、b、c是ABC的三条边，关于x的一元二次方程-2?0 121x?bx?c?a?0有两个相等的实数根，方程3cx?2b?2a的根为x=0。 221试判断ABC的形状。 2假设a、b为关于x的一元二次方程xmx3m=0的两个根,求m的值。 2 人教版九年级数学上学期第一次月考试卷 第 3 页 共4页

29、 Do the following three main points: 1 find out the weak. Review process is to sum up the knowledge on the one hand, make the knowledge more coherent system and regularity, but also let the students themselves, looks up the deficiencies. So, we teachers to understand the students knowledge of the si

30、tuation prior to the review, students not only found widespread deficiencies, but also some shortings, for these well designed programs, reasonable arrangement of time, this review is more targeted and more effective. For exle, you can design a form for investigation, understanding students weakness

31、es in each knowledge, put it as a review of key, bined with the problem of textbooks to reviewboth to avoid casting a tihaizhanshu, and improve the efficiency of review. 2, good collation. Through six years of study, students in the basics, reading method, exercises, and so already have a certain de

32、gree of accumulation, the review stage, teachers should know how to guide the students to label the accumulation, process, form a system of knowledge works. Exercises for students to be representative, arnestly do a problem learning a method, class of pass was to get s. 3, pay attention to use. The

33、accumulation of knowledge is ultimately to use, therefore, review the situation and life situation to be created in a variety of languages, guide students on the basis of the previous accumulation of knowledge to use to the maximum, and really apply what they have learned. Second, review the content

34、 and strategy of the first part: the basics (a) 1, review the main points of Hanyu Pinyin is able to recite and write down the alphabet of Hanyu Pinyin; accurate spelling pronunciation (after reading cacuminal, nasal sound, light, and retroflex sounds), the correct write consonants, vowels and sylla

35、bles. 2,. main types according to the order of the alphabet of Hanyu Pinyin alphabetical order; fill in the appropriate uppercase and lowercase letters; see phoic writing words; pinyin to write sentences with dot to select the correct pronunciation of the word; to bring some initial consonants or vo

36、wels, word selection. Second, the main types of words (1) Ruby written words; (2) to bring Word to select the correct pronunciation; (3) use a sequencer and radical character lookup method27.10分有一面积为150m的长方形鸡场，鸡场的一边靠墙墙长18 m，另三边用竹篱笆围成，假设竹篱笆的长为35 m，求鸡场的长与宽各为多少； 2D A C B 28此题总分值12分三门旅行社为吸引市民组团去蛇蟠岛风景区旅游

37、，推出如下收费标准： 假设人数超过35人，假设人数不超过每增加1人，人均旅35人，人均旅游游费用降低2元，但费用为150元 人均旅游费用不得 低于120元 某中学九(一)班去蛇蟠岛风景区旅游，共支付给三门旅行社旅游费用5888元，请问该班这次共有多少名同学去蛇蟠岛风景区旅游？ 4 Do the following three main points: 1 find out the weak. Review process is to sum up the knowledge on the one hand, make the knowledge more coherent system and

38、 regularity, but also let the students themselves, looks up the deficiencies. So, we teachers to understand the students knowledge of the situation prior to the review, students not only found widespread deficiencies, but also some shortings, for these well designed programs, reasonable arrangement

39、of time, this review is more targeted and more effective. For exle, you can design a form for investigation, understanding students weaknesses in each knowledge, put it as a review of key, bined with the problem of textbooks to reviewboth to avoid casting a tihaizhanshu, and improve the efficiency o

40、f review. 2, good collation. Through six years of study, students in the basics, reading method, exercises, and so already have a certain degree of accumulation, the review stage, teachers should know how to guide the students to label the accumulation, process, form a system of knowledge works. Exe

41、rcises for students to be representative, arnestly do a problem learning a method, class of pass was to get s. 3, pay attention to use. The accumulation of knowledge is ultimately to use, therefore, review the situation and life situation to be created in a variety of languages, guide students on th

42、e basis of the previous accumulation of knowledge to use to the maximum, and really apply what they have learned. Second, review the content and strategy of the first part: the basics (a) 1, review the main points of Hanyu Pinyin is able to recite and write down the alphabet of Hanyu Pinyin; accurat

43、e spelling pronunciation (after reading cacuminal, nasal sound, light, and retroflex sounds), the correct write consonants, vowels and syllables. 2,. main types according to the order of the alphabet of Hanyu Pinyin alphabetical order; fill in the appropriate uppercase and lowercase letters; see pho

44、ic writing words; pinyin to write sentences with dot to select the correct pronunciation of the word; to bring some initial consonants or vowels, word selection. Second, the main types of words (1) Ruby written words; (2) to bring Word to select the correct pronunciation; (3) use a sequencer and rad

45、ical character lookup method人教版九年级数学上学期第一次月考试卷答案 一、选择题本大题共有10小题，每题3分，共30分 题号 答案 1 C 2 A 3 D 4 C 5 C 6 B 7 B 8 C 9 B 10 C 二、填空题本大题共有10小题，每题3分，共30分 11. 25 ，5 ； 12. 52 ； 13. -7 ； 14. a=3 ，b=4 ; 15. -2； 16. 2； 17. (-b , a)； 18. 33； 19. 5或7 ； 20.25或36 . 三、解答题本大题共有8小题，共90分 21.111413?2 ?2 44312?1?5?1?5,x2?

46、 4422 22.x1?0,x2?1 x1?23.由题意得：m n = 3, 所以m n 4mn = (m n )= 9 24. 10% 25. a=8=22 b=5 c=18= 32 ab,cb, acb 能构成三角形，此时三角形的周长为5 52 26.1ABC为等边三角形 ； 2m=12 27. 长15m 宽10m 28此题10分 解：5888不是150的整数倍， 人数超过了35人 设去旅游的人数为x人 150x352x=5888， x 2 110x=2944， x55 2 =81 x55=9或x55=9 解得 x=64或x=46 但当x=64时，应付费用为：64120=7680，不符合题意； x=46时，应付费用为：4615046352=5888，符合题意； x=46 答：该班这次共有46名同学去方特欢乐世界旅游人教版九年级数学上学期第一次月考试卷答案 第1页，共1页 第 18 页 共 18 页