11-sinflar uchun математика test.№1

11-sinflar uchun математика test.№3

1). ABC uchburchakning AB,CA va BC tomonlarida M,P,N nuqtalar shu tomonlarni 1:2 nisbatda bo`ladi. Agar ABC uchburchak yuzi S bo`lsa, MNP uchburchak yuzi?

A) S/2 B) S/3 C) 2S/3 D) 2S/5

2).ABC uchburchakka ichki chizilgan aylanaga o`tkazilgan urinma BC va AC tomonlarni mos ravishta M va N nuqtalarda kesib o`tadi BC=5 AC=6 AB=7 bo`lsa MNC uchburchak perimetri? A) 4 B) 5 C) 3 D) 4.8

3). (tg60º∙cos15º-sin15º)∙7√2=?

A) 4 B) 14 C) 30 D) 45

4). Radiusi 15va20 ga teng bo`lgan 2 shar markazlari orasidagi masofa 25 ga teng. Shar sirtlari kesishishidan hosil bo`lgan aylana uzunligini toping?

A) 27π B) 8π C) 24 π D) 25π

5).Quyidagilardan qaysi biri noto`g`ri? A) (f(x)+g(x))΄=f΄(x)+g΄(x) B) c=const (c∙f(x))΄=c΄∙f΄(x) c-ozod son C) (f(x)∙g(x))΄=f΄(x)∙g(x)+f(x)∙g΄(x) D) (f(x)/g(x))΄=(f΄(x)∙g(x)-f(x)∙g΄(x))/g²(x)

6). f(x)=1/x funksiya grafigiga x0=1 absissali nuqtada o`tkazilgan urinma bilan Ox o`qi orasidagi burchakni toping ? A) –π/4 B) π/2 C)π/3 D) –π/6

7). Tenglama [0;5π] da nechta ildizga ega ? ctgx/(1+sinx)=0 A) 5 B) 4 C) 3 D) 2

8). Tenglamalar sistemasining 1-tenglamasi sinx∙cosy=-1/3 2-tenglamasi cosx∙siny=2/3

Ctg(x-y)=? A)0 B) 1 C) -0.5 D) 0.5

9). Arifmetik progressiyaning dastlabki nechta hadini olmaylik ularning yig`indisi hadlar sonining kvadratining uchlanganiga teng. 7-hadi? A) 25 B) 27 C)31 D)39

10). m ning qanday qiymatlarida (m∙x+9)/x≥-10 tengsizlikda x ning eng katta manfiy qiymati -3 ga teng bo`ladi? A)-9 B)-8 C) -7 D)-6

11). e ning ln(3x²-27) inchi darajasi kichik 21 dan tengsizlik nechta butun sjnda o`rinli?

A) 8 B) 2 C) 6 D) 4

12). Tomonlari 1,2,3,4 bo`lgan to`rtburchakka ichki tashqi aylana chizilgan uning kichik dioganalini toping.

A) 2.5 B) 2√2 C)√140/√11 D) √55/√7

13). Shar radiusi 6 ga teng. Radius uchidan u bilan 30º burchak tashkil qiluvchi tekislik o`tkazilgan. Shra bilan tekislik hosil qilgan kesimning yuzini toping?

A) 27π B) 8π C) 64π D) 25π

14). y=x√3+2 va y=-1/√3x+2 to`g`ri chiziqlarning kesishishidan hosil bo`lgan burchaklarni toping. A) 75º; 105º B) 65º 115º C) 90º;90º D) 60º;120º

15). y=x² parabolada A(2;0.5) nuqtaga eng yaqin nuqtani toping. A) (2;1) B) (1;1) C) (2;3) D) (1;2)

TEST KALITLARI

(1-variant)

1. 
   B
   

2. 
   A
   
3. 
   C
   
4. 
   A
   
5. 
   D
   
6. 
   C
   
7. 
   B
   
8. 
   D
   
9. 
   A
   
10. 
    C
    
11. 
    B
    
12. 
    C
    
13. 
    A
    
14. 
    B
    
15. 
    A
    

TEST KALITLARI

(II-variant)

1.A

2.C

3.B

4.C

5.A

6.B

7.A

8.B

9.C

10.B

11.A

12.C

13.A

14.D

15.C
TEST KALITLARI

(III-variant)

1.B
2.A

3.B

4.C

5.B

6.A

7.C

8.A

9.D

10.C

11.B

12.D

13.A

14.C

15.B