Matematika” fanidan 5–sinf o’quvchilari uchun I chorak test savollari

16. а = , b = 1 da 8а – 3b algebraik ifodaning qiymatini toping.

17. 4(3 + 2) + 3(2 - 1) ifodani soddalashtiring va = da son qiymatini toping.

18. Ikkita sonning yig`indisi 70 ga teng. Birinchi son ikkinchisidan 2,5 marta kichik. Bu sonlarni toping.

19. Ikki to’g’ri chiziqning kesisishidan hosil bo’lgan burchaklardan ikkitasining yigindisi 120^{0 .}

Bu burchaklarni toping ------------- 20. Teng yonli uchburchakning perimetri 48, yon tomoni 18 ga teng. Uning asosini toping --------- Tuzuvchi: ____________ Qayumova Gulbahor	11. To`g`ri chiziqning

Matematika” fanidan 7–sinf o’quvchilari uchun

II chorak test savollari

1. Hisoblang: .

A) 4 B) 2 C) D) .

2. Hisoblang: .

A) 1 B) 25 C) 5 D) 625

3. n ning qanday qiymatida tenglik to`g`rib o`ladi: (4⁴)ⁿ = 4¹².

A) 1 B) 2 C) 3 D) 8

4. Birhadning son qiymatini toping: , bunda y = -15, x = 6.

A) 3 B) -1 C) 12 D) 18

5. Birhadlarni ko`paytiring: .

A) -7,5a⁵b⁷c⁷ B) -21 a⁵b⁷c⁷ C) -7,5a⁶b¹⁰c¹² D) -21 a⁶b¹⁰c¹²

6. Ko`phadning son qiymatini toping: x² +2xy +y², bunda x = 1,2, y = -1,2.

A) 1,5676 B) 0 C) 1 D) 5,76

7. Ko`phadni standart shaklga keltiring: .

A) B) C) 2x²y D) 2x²y + 1

8. Agar P = 2p² – 3q³, Q = 2p² – 4q³ bo`lsa, P – Q ifoda nimaga teng ?

A) 4p² – 7q³ B) 4p² + 7q³ C) 2p² + q³ D) q³

9. Algebraik ifodaning qiymatini toping:

3ab(4a² – b²) + 4ab(b²- 3a²), bunda a = 10, b = -5.

A) -1250 B) -50 C) 0 D) 250

10. Ko`phadlarni ko`paytiring: (5x + 3y) (25x² – 15xy + 9y²).

A) 125x³ + 90xy – 45x²y + 27y³ B) 125x³ + 27y³

C) 125x³ + 45x²y – 45x²y + 27y³ D) 125x³ – 120x²y² + 27y³
11. To`g`ri chiziqning ixtiyoriy nuqtasidan unga nechta perpendikulyar to`g`ri chiziq o`tkazish mumkin ?.............................

12. Ikki to`g`ri chiziqning kesishishidan hosil bo`lgan burchaklardan ikkitasining yig`indisi 120⁰. Bu burchaklarni toping.......................

13. Teng yonli uchburchakning asosi yon tomonidan 3 birlikka kam, perimetri 36 ga teng bo`lsa uchburchakning yon tomonini toping........................

14. Teng yonli uchburchakning perimetri 48, yon tomoni 18 ga teng. Uning asosini toping…………….

15. Uchburchakning bir uchi va shu uchining qarshisidagi tomon o`rtasini tutashtiruvchi kesma nima deb ataladi ….?

16. 68⁰ bo`lgan burchakka qo`shni bo`lgan burchakni toping.

17. Ikkita to`g`ri chiziq kesishishidan hosil bo`lgan burchaklardan biri 60<sup>0</sup> bo`lsa,barcha burchaklarni toping.

18. Tenglamani yeching: 3(2 - 3) + 15 = 2(4 - 3) – 2.

19. 4a²b9a⁴b² birhadni standart shaklda yozing va а = 1, b = da son qiymatini toping.

20. Burchakning bissektrisasi uning tomoni bilan 30⁰ burchak tashkil qiladi. Burchakning kattaligini toping.

Tuzuvchi: ____________ Qayumova Gulbahor

Matematika” fanidan 7–sinf o’quvchilari uchun

III chorak test savollari
1. To`rtburchak barcha burchaklari yig`indisi nech gradusga teng?

A) 180⁰ B) 270⁰ C) 360⁰ D) 540⁰

2. Agar uchburchakning ikkita burchagi 60⁰ va 40⁰ ga teng bo`lsa, uning noma’lum burchagini toping.

A) 100⁰ B) 20⁰ C) 80⁰ D) 120⁰

3. Agar uchburchakning burchaklari 2,3,4 sonlariga proporsional bo`lsa, ularni toping.

A) 40⁰, 60⁰, 80⁰ B) 20⁰, 30⁰, 40⁰ C) 30⁰, 45⁰, 60⁰ D) 80⁰, 120⁰, 160⁰

4. Kasrlarning yig`indisini toping: .

A) B) C) D)

5. Kasrlarning ayirmasini toping: .

A) B) C) D) .

6. Kasrni qisqartiring: .

A) B) C) D)

7. Algebraik kasrning son qiymatini toping: , bunda a=16, b= -3.

A) 1,3 B) C) 1,6 D) 1,9

8. Surati p va q sonlarining ayirmasiga, maxraji esa ularning ko`paytmasiga teng bo`lgan algebraik kasrni yozing.

A) B) C) D)

9. Ko`paytuvchilarga ajrating: 16a² – 81.

A) (4a-3)(4a+3) B) (4a-9)(4a+9) C) (16a – 81)(16a +81) D) (4a – 9) ²

10. Ko`paytuvchilarga ajrating: 3a³ – 3.

A) 3 (a-1)(a² + a + 1) B) 3 (a-1)(a+1) C) 3 (a-1)(a² - a + 1) D) 3 (a-1)(a² - a - 1)

11. Tenglamaning ildizlarini toping: x² – 49 = 0.

12. Hisoblang: 29,4² – 29,3².

13. Soddalashtiring: (c-3)² – (c+3)(3-c)

14. x ni shunday birhadga almashtiringki, natijada ikkihadning kvadrati hosil bo`lsin:

a² – 6ab + x

15. Agar uchburchakning ikkita burchagi 40⁰ va 30⁰ ga teng bo`lsa, uning uchinchi burchagiga qo`shni burchagini toping…

16. Uchburchak ichki burchaklari yigindisi necha gradus?

17. Uchburchakning ichki burchaklari 1:2:3 nisbatda. Shu uchburchakning ichki burchaklarini toping.

18. а = , b = 1 da 9а – 2b algebraik ifodaning qiymatini toping.

19. 5(2 + 3) + 2(3 - 1) ifodani soddalashtiring va = da son qiymatini toping.

20. Ikkita sonning yig`indisi 75 ga teng. Birinchi son ikkinchisidan 1,5 marta kichik. Bu sonlarni toping.