Tenglamalar sistemasini yeching: a b c d e 3: x=a a ning qanday qiymatida yechimi bo`ladi. A b c d e 5

10. Agar bo`lsa, ni toping A) 1 B) 2 C) -1 D) -2 E) 3
11.
A) 51 B) 18 C) 47 D) 24 E) 29
12. bo`lsa, ni soddalashtiring?
A) 2y B) 2x C) 2z D) 2y-2z E) 2x-2z
13. A(-2;5) nuqtadan o`tuvchi va to`g`ri chiziqqa parallel to`g`ri chiziq tenglamasini toping?
A) B)
C) D)
E)
14. funksiya grafigining simmetriya o`qi tenglamasini toping?
A) x=1,5 B) y=3 C) x=6
D) y=4x-6 E) y=2x+17
15. tengsizlikni yeching.
A) (6;15) B) (5;81) C) (9;18) D) (5;14)
16. y = funksiyaning boshlang`ich
funksiyalaridan birini toping.
A) B)
C) D)
17. . y = funksiyaning grafigiga = 1
nuqtada o`tkazilgan urinma va koordinat
o`qlari bilan chegaralangan uchburchakning
yuzini toping.
A) 9 B) 27 C) D)
18. . k va ℓ ning qanday qiymatlarida y=
giperbola va y= k + ℓ to`g`ri chiziq M(-1; 1 )
nuqtadan o`tadi?
A) -1; 0 B) -1; -2 C) -1; 2 D) 1;0
19. funksiyaning hosilasini toping.
A) B)
C) D)
20. Quyidagi sonlardan qaysi biri manfiy?
A) tg 247⁰∙ sin125⁰ B) tg135⁰∙ ctg340⁰
C) ctg215⁰∙ cos300⁰ D) sin247⁰∙ cos276
^21. Teng yonli trapetsiyaning kichik asosi 42 ga teng. Uning diagonali o`tmas burchagini teng ikkiga bo`ladi. Trapetsiyaning o`rta chizig`ini toping. А) 8 B) 8,5 C) 12 D) 7,5
22. Parallelogrammning o`tkir burchagi gat eng. Uning kichik diagonali katta tomoni bilan li burchak tashkil qiladi.Parallelogrammning katta tomoni 20 ga teng. Uning yuzini toping.