8 – sinf matematika

8 – SINF MATEMATIKA I variant

1. Algebraik ifodaning son iymatini toping. V = 1/5 abh a= 50 b = 2 h = 3

A) 500 B) 60 D) 100 E) 600

2. Qavslarni oching va soddalashtiring : 7x – (3y + 2x) – (-2y-5x)

A) 10x – y B) -10x + y D) – y E) – 10x – 5y

3. y = kx + 2 funksiya grafigi (1;1) nuqtadan o`tadi. k = ?

A) 2 B) 1 C) -1 D) -2

4. y = 4x – 5 funksiya grafigining koordinata o`qlari bilan kesishish nuqtalarining

koordinatalarini toping.

A) (0;5), (-5/3;0) B) (0;-5), (-5/4;0) C) (0;5), (3/5;0) D) (0,5) , (5/3,0)

5. Tenglamalar sistemasini yeching:

A) (0,-5) B) (0;5) C) (5;10) D) (-5;0)

6. (x,y) sonlar juftligi sistemaning yechimi bo`lsa, y – x ni toping.

A) -2 B) -3 C) 3 D) 2

7. Tenglamani yeching : A) x= B) x= -11 C) x= 121 D) x=11

8. Agar 3a – b = 7 b – c = 5 va 3c – a = 2 bo`lsa a + c ni toping.

A) 7 B) 14 C) 21 D) 28

9. x ning qanday qiymatida P(x) = x³ + 4x² – 12x + 17 ko`phadning qiymatini biror sonning

kvadrati shaklida tasvirlash mumkin?

A) -2 B) 2 C) 1 D) 3

10. Hisoblang : 779³ + 3*779²*221 + 3*779*221² + 221³ + 10

A) 100000010 B) 1000010 C) 1000000010 D) 10000010

11. Agar bo`lsa, x + y + z nimaga teng?

A) 12 B) 10 C) 15 D)9

12. To`g`ri to`rtburchakning yuzi 400 ga, tomonlarining nisbati 4 : 1 ga teng. To`rtburchakning

perimetrini toping.

A) 100 B) 200 C) 120 D) 150

13. Ikki to`gri chiziqning kesishishidan hosil bo`lgan uchta burchak yig`indisi 265˚ .Shu

burchaklarning kattasini toping.

A) 110˚ B) 95˚ C) 105˚ D) 150˚

14. Kvadratning tomoni necha marta kamaytirilsa, yuzi 4 marta kichrayadi?

A) 1,5 B) 2 C) 2,5 D) 3,5

15. Rombning dioganali tomoni bilan 25˚ li burchak hosil qiladi. Romb katta burchagini

toping.

A) 165˚ B) 150˚ C) 130˚ D) 120˚

16. Parallelogrammning dioganali tomonlari tomonlari bilan 20˚ va 50˚ li burchak

hosil qiladi . Parallelogrammning katta burchagini toping.

A) 100˚ B) 145˚ C) 110˚ D) 145˚

17. ABCD to`g`ri to`rtburchakda S<sub>1</sub> = 2 , S<sub>2</sub> = 8 S<sub>3</sub> = 3 bo`lsa, S₄ ni toping.

S1	S2
S3	S4

A) 9 B) 10 C) 8 D) 12

18. a va b ning qanday qiymatlarida 3ax + 2by = 12 va 4ax – 3by = -1 to`g`ri chiziqlar

(1;1) nuqtada kesishadi?

19. Hisoblang :

20. Soddalashtiring:

21. ifoda natural son bo`ladigan n ning natural qiymatlari nechta?

22. m ning qanday qiymatlarida m(mx-1)=9x+3 tenglama cheksiz ko`p yechimga ega?

23.Ikki sonning yig`indisi 24 ga teng. Bu sonlardan birining 35% I ikkinchisining 85% iga

teng. Shu sonlardan kichigini toping.

24. Uchburchakning asosiga tushirilgan medianasi uni perimetrlari 18 va 24 ga teng

bo`lgan ikki uchburchakka ajratadi. Berilgan uchburchakning kichigi yon tomoni

6 ga teng. Uning katta yon tomonini toping.
25. Teng yonli trapetsiyaning perimetri 36 sm, o`rta chizig`i 10 sm. Yon tomonining

uzunligini toping.

8 – SINF MATEMATIKA II variant
1. Tenglamalar sistemasini yeching:

A) (0,-5) B) (0;5) C) (5;10) D) (-5;0)

2. (x,y) sonlar juftligi sistemaning yechimi bo`lsa, y – x ni toping.

A) -2 B) -3 C) 3 D) 2

3. Tenglamani yeching : A) x= B) x= -11 C) x= 121 D) x=11

4. x ning qanday qiymatida P(x) = x³ + 4x² – 12x + 17 ko`phadning qiymatini biror sonning

kvadrati shaklida tasvirlash mumkin?

A) -2 B) 2 C) 1 D) 3

5. Hisoblang : 779³ + 3*779²*221 + 3*779*221² + 221³ + 10

A) 100000010 B) 1000010 C) 1000000010 D) 10000010

6. Algebraik ifodaning son iymatini toping. V = 1/5 abh a= 50 b = 2 h = 3

A) 500 B) 60 D) 100 E) 600

7. Qavslarni oching va soddalashtiring : 7x – (3y + 2x) – (-2y-5x)

A) 10x – y B) -10x + y D) – y E) – 10x – 5y

8. y = kx + 2 funksiya grafigi (1;1) nuqtadan o`tadi. k = ?

A) 2 B) 1 C) -1 D) -2

9. y = 4x – 5 funksiya grafigining koordinata o`qlari bilan kesishish nuqtalarining

koordinatalarini toping.

A) (0;5), (-5/3;0) B) (0;-5), (-5/4;0) C) (0;5), (3/5;0) D) (0,5) , (5/3,0)

10. ABCD to`g`ri to`rtburchakda S<sub>1</sub> = 2 , S<sub>2</sub> = 8 S<sub>3</sub> = 3 bo`lsa, S₄ ni toping.

S1	S2
S3	S4

A) 9 B) 10 C) 8 D) 12

11. a va b ning qanday qiymatlarida 3ax + 2by = 12 va 4ax – 3by = -1 to`g`ri chiziqlar

(1;1) nuqtada kesishadi?

12. Agar bo`lsa, x + y + z nimaga teng?

A) 12 B) 10 C) 15 D)9

13. To`g`ri to`rtburchakning yuzi 400ga, tomonlarining nisbati 4 : 1 ga teng. To`rtburchakning

perimetrini toping.

A) 100 B) 200 C) 120 D) 150

14. Ikki to`gri chiziqning kesishishidan hosil bo`lgan uchta burchak yig`indisi 265˚ .Shu

burchaklarning kattasini toping.

A) 110˚ B) 95˚ C) 105˚ D) 150˚

15. Kvadratning tomoni necha marta kamaytirilsa, yuzi 4 marta kichrayadi?

A) 1,5 B) 2 C) 2,5 D) 3,5

16. Rombning dioganali tomoni bilan 25˚ li burchak hosil qiladi. Romb katta burchagini

toping.

A) 165˚ B) 150˚ C) 130˚ D) 120˚

17. Parallelogrammning dioganali tomonlari tomonlari bilan 20˚ va 50˚ li burchak

hosil qiladi . Parallelogrammning katta burchagini toping.

A) 100˚ B) 145˚ C) 110˚ D) 145˚

18. Agar 3a – b = 7 b – c = 5 va 3c – a = 2 bo`lsa a + c ni toping.

A) 7 B) 14 C) 21 D) 28

19. Hisoblang :

20. Soddalashtiring:

21. ifoda natural son bo`ladigan n ning natural qiymatlari nechta?

22. m ning qanday qiymatlarida m(mx-1)=9x+3 tenglama cheksiz ko`p yechimga ega?

23.Ikki sonning yig`indisi 24 ga teng. Bu sonlardan birining 35% I ikkinchisining 85% iga

teng. Shu sonlardan kichigini toping.

24. Uchburchakning asosiga tushirilgan medianasi uni perimetrlari 18 va 24 ga teng

bo`lgan ikki uchburchakka ajratadi. Berilgan uchburchakning kichigi yon tomoni

6 ga teng. Uning katta yon tomonini toping.
25. Teng yonli trapetsiyaning perimetri 36 sm, o`rta chizig`i 10 sm. Yon tomonining

uzunligini toping.

8 – SINF MATEMATIKA III variant
1. Algebraik ifodaning son iymatini toping. V = 1/5 abh a= 50 b = 2 h = 3

A) 500 B) 60 D) 100 E) 600

2. Qavslarni oching va soddalashtiring : 7x – (3y + 2x) – (-2y-5x)

A) 10x – y B) -10x + y D) – y E) – 10x – 5y

3. y = kx + 2 funksiya grafigi (1;1) nuqtadan o`tadi. k = ?

A) 2 B) 1 C) -1 D) -2

4. y = 4x – 5 funksiya grafigining koordinata o`qlari bilan kesishish nuqtalarining

koordinatalarini toping.

A) (0;5), (-5/3;0) B) (0;-5), (-5/4;0) C) (0;5), (3/5;0) D) (0,5) , (5/3,0)

5. ABCD to`g`ri to`rtburchakda S<sub>1</sub> = 2 , S<sub>2</sub> = 8 S<sub>3</sub> = 3 bo`lsa, S₄ ni toping.

S1	S2
S3	S4

A) 9 B) 10 C) 8 D) 12

6. a va b ning qanday qiymatlarida 3ax + 2by = 12 va 4ax – 3by = -1 to`g`ri chiziqlar

(1;1) nuqtada kesishadi?

7. Agar bo`lsa, x + y + z nimaga teng?

A) 12 B) 10 C) 15 D)9

8. To`g`ri to`rtburchakning yuzi 400 ga, tomonlarining nisbati 4 : 1 ga teng. To`rtburchakning

perimetrini toping.

A) 100 B) 200 C) 120 D) 150

9. Ikki to`gri chiziqning kesishishidan hosil bo`lgan uchta burchak yig`indisi 265˚ .Shu

burchaklarning kattasini toping.

A) 110˚ B) 95˚ C) 105˚ D) 150˚

10. Kvadratning tomoni necha marta kamaytirilsa, yuzi 4 marta kichrayadi?

A) 1,5 B) 2 C) 2,5 D) 3,5

11. Rombning dioganali tomoni bilan 25˚ li burchak hosil qiladi. Romb katta burchagini

toping.

12. Parallelogrammning dioganali tomonlari tomonlari bilan 20˚ va 50˚ li burchak

hosil qiladi . Parallelogrammning katta burchagini toping.

A) 100˚ B) 145˚ C) 110˚ D) 145˚

13. Tenglamalar sistemasini yeching:

A) (0,-5) B) (0;5) C) (5;10) D) (-5;0)

14. (x,y) sonlar juftligi sistemaning yechimi bo`lsa, y – x ni toping.

A) -2 B) -3 C) 3 D) 2

15. Tenglamani yeching : A) x= B) x= -11 C) x= 121 D) x=11

16. Agar 3a – b = 7 b – c = 5 va 3c – a = 2 bo`lsa a + c ni toping.

A) 7 B) 14 C) 21 D) 28

17. x ning qanday qiymatida P(x) = x³ + 4x² – 12x + 17 ko`phadning qiymatini biror sonning

kvadrati shaklida tasvirlash mumkin?

A) -2 B) 2 C) 1 D) 3

18. Hisoblang : 779³ + 3*779²*221 + 3*779*221² + 221³ + 10

A) 100000010 B) 1000010 C) 1000000010 D) 10000010

19. Hisoblang :

20. Soddalashtiring:

21. ifoda natural son bo`ladigan n ning natural qiymatlari nechta?

22. m ning qanday qiymatlarida m(mx-1)=9x+3 tenglama cheksiz ko`p yechimga ega?
23.Ikki sonning yig`indisi 24 ga teng. Bu sonlardan birining 35% I ikkinchisining 85% iga

teng. Shu sonlardan kichigini toping.

24. Uchburchakning asosiga tushirilgan medianasi uni perimetrlari 18 va 24 ga teng

bo`lgan ikki uchburchakka ajratadi. Berilgan uchburchakning kichigi yon tomoni

6 ga teng. Uning katta yon tomonini toping.
25. Teng yonli trapetsiyaning perimetri 36 sm, o`rta chizig`i 10 sm. Yon tomonining

uzunligini toping.

8 – sinf MATEMATIKA TEST KALITI I VARIANT

Savol	1	2	3	4	5	6	7	8	9	10
Javob	B	A	C	B	B	D	D	A	A	C

Savol	11	12	13	14	15	16	17	18	19	20
Javob	D	A	B	B	C	C	D	a=2 b=3	7/5	x

Savol	21	22	23	24	25
Javob	6 ta	- 3	7	12	8

II VARIANT

Savol	1	2	3	4	5	6	7	8	9	10
Javob	B	D	D	A	C	B	A	C	B	D

Savol	11	12	13	14	15	16	17	18	19	20
Javob	a=2 b=3	D	A	B	B	C	C	A	7/5	x

Savol	21	22	23	24	25
Javob	6 ta	- 3	7	12	8

III VARIANT

Savol	1	2	3	4	5	6	7	8	9	10
Javob	B	A	C	B	D	a=2 b=3	D	A	B	B

Savol	11	12	13	14	15	16	17	18	19	20
Javob	C	C	B	D	D	A	A	C	7/5	x

Savol	21	22	23	24	25
Javob	6 ta	- 3	7	12	8