國際學(xué)校八年級數(shù)學(xué)測試卷英文版(代數(shù))

ChapterTwoExaminationPaper

Name:_________

Score:___________

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1、Pleasechoosethecorrectone(20’).

1)Choosethecorrectsolutionthatbestdescribesthegraph().

(A)X＜-2 (B)X≥-2(C)X≤-2 (D)X＞-2

2)Solve:

3(2+

m)

≥

15().

(A)m≥5(B)m≥3(C)m≤5(D)m≤3

3)Whichoneisthesolutionof().

(A)

(B)

(C)

(D)

4)Ifa,barenegativenumbers,and,so().

(A)(B)＜1 (C) (D)ab＜1

5)Inthefollowingnotationintervals,whichoneisgreaterthanorequalto5().

(A)(5,+)(B)(-,5)(C)[5,+)(D)(-,5]

6)Howmanyintegersin().

(A)1(B)2(C)3(D)4

7)Identifythetypeofinterval(0,2]().

(A)Left-open,right-closed(B)Open(C)Closed(D)Left-closed,right-open

8)Thesetgiveninsetbuildernotationascanalsobeexpressedaswhichofthefollowing().

(A)(B)(C)(D)

9)Whichofthefollowingrepresentsaclosedinterval().

(A)(B)(C) (D)

10)If,whichoneiswrong().

(A)(B)(C) (D)

Expresseachofthefollowingintervalsinset-buildernotation(8’).

(2,8)[－5,0)(3,∞)(－∞,-4]

3、Solvethecompoundinequalities(8’).

A)orB)and

4、Writethefollowinginequalitiesinintervalnotationandgraphit(16’).

1)x≤32)-2<x≤4

3)-9≤x≤04)x>-4

6、Plotonthenumberline:[?2,3)∩Z;i.e.,“Theintersectionof[?2,3)withthesetofintegers.”(7’).

7、ExpressthesemeaningsofthefollowingmathssignsinEnglish(9’).

＋:________________;－:________________;×：_______________;

÷:_______________;＝:____________________;≠:________________;

≥:_______________;||:_________________;:__________________.

7、Arrangefromleasttogreatest:||,||,3,?|?4|,?4.Usethesymbols“<”and“≤”(6’).

8、Solveeachinequalityandgraphitssolution(16’).

9、Solvingthefollowinginequali