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21. Parabola. 22. Kvadrat. 23. a0 = 1. 24. a-n = . 25. y=ax2+bx+c
9-sinf Matematika test. II – chorak
1. Hisoblang: ;
A) B) D) E)
2. Tenglamani yeching: 2x6 = 128;
A) x1=-2, x2 = 2; B) x1= 3, x2 = 1; D) x1= 1, x2 = 0; E) x = 1;
3. Hisoblang: - 0,5 ;
A) 4 B) 8 D) 5 E) 12
4. Hisoblang: *
A) 100 B) 5 D) 2 E) 10
5. Ildizdan chiqaring: ;
A) 8x3 B) 4xz2 D) 64xz E) 2x3z2
6. Hisoblang:
A) B) D) E)
7. Hisoblang: : ;
A) 4 B) 2 D) 3 E) 16
8. Hisoblang: ;
A) 4 B) 2 D) 8 E) 16
9. Hisoblang: * ;
A) 5 B) 52 D) 55 E) 5
10. Hisoblang: b = 27 bo’lganda, : ;
A) 6 B) 3 D) 12 E) 8
11. Tenglamani yeching: 22x+11 = 32
A) x = 2 B) x = 6 D) x = 9 E) x = 3
12. Funksiya y(x) = x2 – 4x +5 formula bilan berilgan. Agar y(x) = 1 bo’lsa, x ning qiymatini toping.
A) x = 2 B) x = 3 D) x = 32 E) x = 10
13. Funksiyaning grafigini yasang hamda o’sish va kamayish oraliqlarini toping: y=2x + 3;
A) (3; 1) B) (1; 0) D) (1; 5) E) (0; - 2)
14. Tenglamaning musbat ildizini toping: x = 3;
A) x = 16 B) x = 9 D) x = 12 E) x = 5
15. Tengsizlikni yeching: x3 27
A) x 1 B) x 9 D) x 3 E) x 6
16. Tenglamani yeching: = 3;
A) x = 10 B) x = 15 D) x = 20 E) x = 6
17. Funksiyaning aniqlanish sohasini toping: y = ;
A) x 0 B) x = 1 D) x = 13 E) x-istalgan son
18. Tensizlikni yeching: 1;
A) 2 < x B) 3 x D) 2 x 3 E) x < 3 < 2
19. Radianlarda ifodalangan burchakning gradus o’lchovini toping: ;
A) 300 B) 450 D) 3000 E) 600
20. Graduslarda ifodalangan burchakning radian o’lchovini toping: 750;
A) B) D) E)
21. Agar y(x) funksiyaning aniqlash sohasidan olingan istalgan x uchun y(-x) = -y(x) bo’lsa, bu funksiya
……… deyiladi.
22. Uzunligi aylana radiusiga teng bo’lgan yoyga tiralgan markaziy burchak ……….. deyiladi.
23. Agar r < 0 bo’lsa, u holda y=xr darajali funksiya ……… oraliqda kamayadi.
24. “Funksiya” so’zi lotincha “Functio” so’zidan olingan bo’lib, u “……..” , “……..” degan
ma’noni bildiradi.
25. Agar y(x) funksiyaning aniqlash sohasidan olingan istalgan x uchun y(-x) = y(x) bo’lsa, bu funksiya
……… ………. deyiladi.
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