Perfect education o’quv markazi Matematika o’qituvchisi: Bobomurodov Toshtemir [phone]

Perfect education o’quv markazi Matematika o’qituvchisi: Bobomurodov Toshtemir [phone]
7-sinf kitobi asosida tuzilgan savollar 30, ta vaqt 1soat 30 mint.
1.Soddalashtiring? a - ( b + ( c - ( d – k ) ) )
A)a-b-c+d-k B) a-b-c-d-k C) a-b+c+d-k D) a-b-c+d+k
2. Hisoblang ? - (-3)²(-2)³ A)-72 B)72 C)27 D) -27
3. Hisoblang ? x^4x-1:x²ⁿ A) x²ⁿ B) x^2n-1 C) x²ⁿ⁺¹ D) x
4. Soddalashtiring? (a²)⁴ a(a⁴)³:(a⁴)² A)a¹¹ B) a¹² C) a¹³ D) a
5.Darajaga ko’taring? (-2axb⁴)²
A)(-2² a² x² b⁸) B) (2² a² x² b⁸) C) a²x²b²4 D) -a²x²b⁸4
6. Ko’phadni birhadga ko’paytirish: (-2𝑚 + 3𝑛)(-10)
A) 25𝑚 - 30𝑛; B) 20𝑚 + 30𝑛; C) 20𝑚 - 25𝑛; D) 20𝑚 - 30𝑛;
7. Ifodaning qiymatini toping: 3𝑎𝑏(4𝑎² - 𝑏²) + 4𝑎𝑏(𝑏² - 3𝑎²), bunda 𝑎 = 10, 𝑏 = -5;
A) -1250; B) 1250 C)1350 D) -1350
8. Ko‘phadni ko‘phadga ko‘paytirish: (𝑎 + 2)(𝑎 + 3);
A) 𝑎² + 5𝑎 + 3 B) 𝑎² + 3𝑎 + 6 C) 𝑎² + 2𝑎 + 6 D) 𝑎² + 5𝑎 + 6
9. Ko‘phadni ko‘phadga ko‘paytirish: (𝑥 + 3)(2𝑥 - 1)(3𝑥 + 2);
A) 6𝑥³ + 19𝑥² +𝑥 +6; B) 6𝑥³ + 19𝑥² + 2𝑥 +6; C) 6𝑥³ + 19𝑥² + 2𝑥 - 6; D) 6𝑥³ + 19𝑥² + 𝑥 - 6;
10. Ko’phadni birhadga bo’ling: (48𝑥³ - 4𝑥²) ∶ 4𝑥 - 4𝑥(3𝑥 - 0,25) ;
A)1 B)2 C)0 D) 5
11. Umumiy ko’paytuvchini qavsdan tashqariga chiqarish: 𝑥𝑦 - 𝑥² + 𝑥𝑧
A)x(y-x+z) B) x(y+x+z) C) x(y-x-z) D) y(y-x+z)
12. Umumiy ko’paytuvchini qavsdan tashqariga chiqarish: 𝑎(𝑏 - 5) - (𝑏 - 5);
A)(b+5)(a-1) B) (b-5)(1-a) C) (b-5)(a+1) D) (b-5)(a-1)
13. Ishorani qavsdan tashqariga chiqarish orqali: 𝑐(𝑎 - 𝑏) + 𝑏(𝑏 - 𝑎);
A) (𝑎 - 𝑏)(b-c) B) (𝑎 - 𝑏)(𝑐 - 𝑏) C) (𝑎 + 𝑏)(𝑐 - 𝑏) D) (𝑎 - 𝑏)(𝑐 +𝑏)
14. Ishorani qavsdan tashqariga chiqarish orqali: 𝑐(𝑎 - 𝑏) - 𝑏(𝑏 - 𝑎)
A) (𝑎 - 𝑏)(b-c) B) (𝑎 - 𝑏)(𝑐 - 𝑏) C) (𝑎 + 𝑏)(𝑐 - 𝑏) D) (𝑎 - 𝑏)(𝑐 +𝑏)
15. Ishorani qavsdan tashqariga chiqarish orqali: 𝑥(𝑥 - 𝑦) + 𝑦(𝑦 - 𝑥) - 3(𝑥 - 𝑦)
A) (𝑥 - 𝑦 - 3)(𝑥 +𝑦); B) (𝑥 + 𝑦 - 3)(𝑥 - 𝑦); C) (𝑥 - 𝑦 +3)(𝑥 - 𝑦); D) (𝑥 - 𝑦 - 3)(𝑥 - 𝑦);
16. Guruhlash usuli 𝑚 - 𝑛 + 𝑝(𝑚 - 𝑛);
A)(m-n)(1-p) B) (m-n)(1-p) C) (m-n)(1+p) D) (m+n)(1+p)
17. Guruhlash usuli 2𝑏𝑥 +9𝑎𝑦 - 6𝑏𝑦 -3𝑎𝑥
A) (2𝑏-3a)(𝑥 -3𝑦) B) (2𝑏+3a)(𝑥 +3𝑦) C) (2𝑏+3a)(𝑥 -3𝑦) D) (2𝑏-3a)(𝑥 +3𝑦);
18.Kvadratini toping? -(3-x)²
A)x²-6x-9 B) x²-6x+9 C) -x²-6x+9 D) -x²+6x-9.
19. Ifodani soddalashtiring: (𝑥 - 𝑦)² + (𝑥 + 𝑦)²;
A) 2𝑥² - 2𝑦² B) 𝑥² + 𝑦² C) 2𝑥² + 2𝑦² D) 2𝑥² + 4𝑦²
20. Ifodaning qiymatini toping: 9𝑎³ - 𝑎(3𝑎 + 2)² + 4𝑎(3𝑎 + 7) a=-1
A)28 B)-28 C)0 D) 1
21. Ifodaning qiymatini toping: 25𝑐(𝑐 - 1) - (5𝑐 - 3)² - 5𝑐 c=-0.3
A)-9 B)9 C)0 D) 1
22. Kvadratlar ayirmasi formulasi. (𝑎 + 3)(𝑎 - 3)+2(a-4)(4-a)+50
A)(9-a²) B)a+9 C)a²-9 D) -a²+9
23. Kvadratlar ayirmasi formulasi (𝑎 - 𝑏)(-𝑎 - 𝑏)
A)(a²-b²) B) (a²+b²) C) (b²-a²) D) (-a²-b²)
24. Kvadratlar ayirmasi formulasi (3 + 𝑥)(3 - 𝑥)(9 + 𝑥²)
A)81-x⁴ B)9-x² C)81+x² D) 81+x²
25. Ifodani soddalashtiring: (𝑐 - 3)² - (𝑐 + 3)(3 - 𝑐);
A)1 B) 2c²-6c+9 C) 2c²-6c-1 D) 2c²-6c
26. Kvadratini ko’phad shaklida yozing ( )² =
A) - + 2 + x² B) + 2 + x² C) - - 2 + x² D) -2 - x²
27.Kubga ko’taring (2b+3t)³
A) 8b³+12b²t+27bt²+27t³ B) 8b³+36b²t+56bt²+27t³ C) 8b³+24b²t+9bt²+27t³ D)b³+24b²t+56bt²+27t
28. Kubga ko’tar: ( )³
A) + -3x-x³ B)- + -3x-x³ C) - + -3x+x³ D)- - -3x-x³
29. Ko`paytuvchilarga ajrating: 8a³-27b³
A) (2a-3b)²(2a+3b) B) (2a+3b)²(2a-3b) C) (2a)³-(3b)³ D) (2a-3b)(4a²+6ab+9b²)
30 . Hisoblang: (53³+47³) : (53²-53·47 +47²)
A)6 B) 100 C) 600 D) 110