Myfirstmonthlyexam

1、7A 版优质实用文档 MonthlyEGam bers. Name: _Class: D. Nopositivenumberisaninteger. E. Thereciprocalofeachnaturalnu Multiple-Choice( 2 20 40) mberisanaturalnumber. 1. Whatistheorderof 4, 0.4, 2, 3 4. Whichofthefollowingdescribes 2, and-1.5fromleasttogreates inintervalnotationtheinequalit t? 2 A. ,0.4, 1.5, 2

2、, 4 3 B. 1.5, 2,0.4, 4, 2 3 C. 1.5, 2 ,0.4, 2, 4 3 D. 4, 2,0.4, 2, 1.5 3 E. 2, 1.5,0.4, 2, 4 3 2. WhicheGpressionisequivalentt o19-41? A. 19 41 B. 19 41 C. 19 41 D. 19 41 E. 41 19 3. Whichofthestatementsisright? A. Allnegativenumbersareinteger s. B. Allintegersarerationalnumbers. C. Allsquarerootsar

3、eirrationalnum 7A 版优质实用文档 A.(,1)(5,) B. (,1)5,) C. (,1(5,) D. (,1)5,) E. ( 1,5 5. Whichinequalityisdefinedinint ervalnotationby ( ,4) 7, ) A. x 4and x 7 B. x 4or x 7 C. x 4or x 7 D. 4 x 7 E. 4 x 7 6. Ifset M 0,x 1, whatisthecorr espondingconditionof x? A. x 0 7A 版优质实用文档 B. x 1 C. x 0or1 D. x 0and x

4、1 E. x 1 7. 5 R; 13 Q; 0 0; Q; 3 Z. Howmanyrightconclusi onsofthem? A. 1 B. 2 C. 3 D. 4 E. 5 8. Set A 2,3,5,7, set B 3,4,5, se tC 2,5,7 ,whatis A B C? A. 2,3,4,5,7 B. 1,6 C. 3,7 D. 7 E. 5 9. Set A 0,1,2, set B 2,3, set C z|z x y,x A,y B, wha tisthesumofthevalueofalleleme ntsinset C? 7A 版优质实用文档 A. 9

5、B. 8 C. 7 D. 6 E. 5 10. Ifset A x| 2 x 1, B x|0 x 2, then A B A. x| 1 x 1 B. x| 2 x 1 C. x| 2 x 2 D. x|0 x 1 E. x|0 x 2 11. Set A a,b, B 5,a 1 ,if A B 2, then A B A. 1,2,5 B. 1,2 C. 1,5 D. 2,5 E. 5 12. Set A x| 1 x 1,x Z B x| x 2,x N, then A B _ A. 0 B. 0,1 7A 版优质实用文档 E.3 16. Whatist em1 3 166136 13

6、63 st yx yxyx yx C. D yxy AB yxy C. 1,0,0,1,2,3,4 D. 1,0,1,2,3,4 E. 1,2,3,4 13. Universalset U x N |x 6 ,s et A 1,3, B 3,5, then CU (A B) A. 1,4 B. 1,5 C. 2,4 D. 2,5 E. 2,4,5 14. Whichwordphrasecanyouuset orepresentthealgebraiceGpres sionn 8? A. Theproductofanumbernand8 B. Thedifferenceofanumbernand

7、8 C. 1 D. 1 h1esolutiontoequations 3x 3y 19 3 1 y 3x 11 3 17. Ifquadraticequation 2 x nx m 0for x hastworealro ots.Andonlyoneofthemisequal to0, thenwhichisright? A. m 0,n 0 B. m 0,n 0 C. Thequotientofanumbernand8 C. m 0,n 0 E. Thesumofanumbernand8 E. Indeterminate 15. Thesolutiontoequation 18 . Frac

8、tionalequation 1 x2 5x 4 3x 5 x 2m for x is x ,then 0,then x 2 x4 whatisthevalueofm? A. 4or1 A.2 B. 4 B.1 C. 1 2 D. Thequotientof8andanumbern D.m 0,n 0 7A 版优质实用文档 7A 版优质实用文档 23.Set A (x,y) | xy2 0.5x y D. -4or-1 E. -4 19. Amongthefollowingradicalequ ations,whichonehasrealroot? A. x 1 4 0 B. 2x 3 x C

9、. x2 1 0 D. 2x 3 x 3 0 E. x2 x 1 0 20.Howmanysolutionsofequation x 5 x 5 0for x ？ A1 B2 C3 D. Indeterminate E. Countless Fillinblank.( 3 2 6) 21.Set A x|x 4or 1 x 5 Useintervalnotationtodescribeset A. 22.Fillintheblankswiththecorrectsy mbols. a_a,b,c 7A 版优质实用文档 2 _x R|x2 1 0 0,1_N Free-ResponseQuestions.( 5 3 15 ) set B (x,y)|3x y b 0, if A B, whatisthevalueof b? 2 24.Set M x|2x2 5x 3 0, N x|mx 1 0, if N M, thenwh atarethepossib