Sinf. Algebra. Ii-chorak. Birhadni boshqa birhadning kvadrati shaklida yozing: a

7– ­___ sinf o’quvchisi __________________________________________

7 – sinf. Algebra. II-chorak.

1. Uchburchakning yuzasini hisoblash formulasini ko’rsating.

a
b

A. S = 2 ab B.  C. 
2. Aylana uzunligi nimaga teng?
A.  B.  C. 
3. 85 sm.ni diametrda ifodalang.
A. 85 dm. B. 8.5 dm. C. 0.85 dm.
4. Eng soda geometric shakl nima?
A. nuqta. B. vergul C. to’g’ri chiziq.
5. Ikkita nuqta orqali nechta to’g’ri chiziq o’tkazish mumkin ?
A. 3 ta. B. 2 ta. C. 1 ta.
6. Aylananing radiusi nimaga teng?
A.  B. d = 2R C. 
7. Ikkita parallel to’g’ri chiziqni qanday belgilaymiz?
A.  B. a || b C.
8. Propotsiyaningnoma’lumhadinitoping.3,5 : Х = 2,4 *4,8
A) 7 B) 64 S) 70
9. “Тiko”rusumliavtomobil100 kmmasofaga 5 litrbenzinsarflaydi. Buavtomobil50 km.masofagaqanchabenzinsarflaydi.
A) 7,5 B) 2,5 S) 6,5
10. Тo’g’rito’rtburchakningbo’yi 8 smgateng .Enibo’yidan 1,5 smqisqa. Тo’g’rito’rtburchakningyuzinitoping .
A) 50 sm²B) 60sm²S) 52 sm²
11. Тo’g’rito’rtburchakningbuyi 4 sm , enibo’yidan 2,4 smqisqa . Тo’g’rito’rtburchakningyuzinitoping .
A) 6,4sm²B) 4,8 sm²S) 5,4 sm²
12 Ikkita to`g`ri chiziqning kesishmasidan hosil bo`lgan burchaklardan biri 60<sup>0</sup> bo`lsa qolgan burchaklarini toping.
A. 30;150;150; B. 40; 140;140; D. 50,130,130; E. 60,120,120; F. 65;120;120.
13. n = 2k + 1 formulada k = - 5 bo’lganda n ning quymatini toping .
A. –5 B. 8 D. –9 E. 0 F. -7
14. A = 2n formulada A = 72 bo’lsa n ning qiymatini toping.
A. 36 B. 48 D. 24 E. 32 F. 60
15. .|----------------|-----------|---------| AB=16sm; AS=7sm; DB=4sm bo’lsa, SD kesmani toping.
A. 6sm; B. 5sm; D.4sm; E. 7sm; F. 5,5sm;
16. Uchburchakning ichki burchaklar yig’indisi nimaga teng?
A. 90 B. 180 D.360
17. To’rtburchakning ichki burchaklar yig’indisi nimaga teng?
A. 90 B. 180 D.360
18.

8-sinf algebra.

1. Algebraik ifodaning son qiymatini toping.

S= bunda a=10, b=40, n=16
A) 500 B) 400 C) 300 D) 200
2. Tenglamani yeching. 2( x – 3 ) = 3( 2 - x)
A) B) C) D)
3. Hisoblang.
A) 3,6 B) C) D)
4. Kvadratning uchta uchi berilgan. A ( 3; -2 ) B ( 3; 1) C ( 6; 1 ). ABCD kvadrat yasang. D uchining koordinatalarini toping.
A) D( 6; -2) B) D( 3; -1) C) D( 0; 6) D) D( -6; -3)
5. Quyidagi nuqtalarning qaysilari y = x + 3 funksiya grafigiga tegishli.
1) ( 0; 7) 2) ( 0; 3) 3) (-1; 4) 4) ( 1; 4) 5) ( -2; -1) 6) ( -2; 1)
A) 1; 2; 3. B) 2; 4; 6. C) 2; 3; 5. D) 1; 3; 5.
6. Quyidagi nuqtalarning qaysilari y = -x + 5 funksiya grafigiga tegishli emas.
1) ( 1; 4) 2) ( -3; 8) 3) (1; 11) 4) ( 0; 5) 5) ( -1; -3) 6) ( 3; 0)
A) 1; 2; 3. B) 4; 5; 6. C) 1; 2; 4. D) 1; 4; 6.
7. y =2x-1 funksiya grafigi qaysi chorakda yotadi?
A) I, III, IV. B) I, II, IV. C) II, III, IV. D) II, III.
8. y = kx + 4 funksiya grafigi M ( 1; -3) nuqtadan o’tadi. K ni toping.
A) 8 B) 1 C) -3 D) -7
9. y = -2x + b funksiya grafigi M ( -2; 8) nuqtadan o’tadi. B ni toping.
A) 3 B) 4 C) 5 D) 6
10. y = kx + b funksiya grafigi M ( 0; 1), N ( 1; -5) nuqtalardan o’tadi. K va b ni toping.
A) k=2, b=3 B) k=3, b=2 C) k=-4, b=-1 D) k=2, b=-3
11. y = -1,5x - 6 funksiya grafigining koordinata o’qlari bilan kesishish nuqtalarining koordinatalarini toping.
A)( 1,5; 6) va ( 0; 1,5) B)( 0; -6) va ( 3; 2) C)( 3; 2) va ( 1,5; 6) D)( 0; -6) va ( -4; 0)
12. y=-2x funksiya grafigidan y=-2x + 3 funksiyaning grafigini qanday qilib hosil qilish mumkin?
A) uch birlik y=-2x funksiya grafigini yuqoriga parallel ko’chirish kerak. B) uch birlik y=-2x funksiya grafigini pastga parallel ko’chirish kerak.
C) uch birlik y=-2x funksiya grafigini o’ngga parallel ko’chirish kerak.
D) uch birlik y=-2x funksiya grafigini chapga parallel ko’chirish kerak.
13. y (x) = 3x -1 funksiya berilgan. Y(2) ni toping.
A) 10 B) 7 C) 8 D) 5
14. y (x) = 3x -1 funksiya berilgan. Y(x) = 8 bo’lsa, x ning qiymatini toping.
A) 3 B) 4 C) 5 D) 6
15. Qavariq beshburchakning burchaklari kattaliklari 2:3:4:5:6 kabi nisbatda. Burchaklardan kattasining miqdorini toping.
A) 136⁰ B) 162⁰ C) 156⁰ D) 148⁰
16. To’g’ri to’rtburchakning eni 5ga teng, bo’yi undan 7ga ortiq. Shu to’g’ri to’rtburchakning perimetrini toping.
17. Qavariq to’rtburchakning burchaklaridan biri to’g’ri burchak qolganlari ega o’zaro 6:5:4 nisbatda. To’rtburchakning kichik burchagini toping.
18. y = funksiya qanday funksiya?
19. y = 2,5x - 5 funksiya grafigining koordinata o’qlari bilan kesishish nuqtalarining koordinatalarini toping.
20. Chiziqli funksiya y=x+2 formula bilan berilgan. Shu formulaning grafigiga
M( 0; 2), N( 1; 3), A( -1; 1), B( -4,7; -2,7), C( ; ) nuqtalar tegishlimi?