Nazorat ishi
1. ning qanday qiymatida funksiyaning qiymati 1 ga teng bo’ladi
A) B) C) D)1
2. Tengsizlikni yeching: 5(x-3)+2x<4x+3
A) x>6 B) x<6 c)x>-6 D)x<-6
3. Tengsizlikni yeching: 4(x-1)+5(x+1)<6(x+2)+7(x-1)
A) x>1 B) x>-1 C) x<-1 D)x<1
4. Tengsizlikni yeching:
A) x<-0,05 B) x>1 C) x<0.1 D)x>-0,05
5. funksiyaning grafigi qaysi chorakda yotadi?
A) II,III,IV B) I,III,IV C) I,II,IV D) II,III
6. у = -0,5х + 2 va у = -3 + 2х funksiyalar grafiklarining kesishgan nuqtasining koordinatalarini toping.
A) (-2; -1) B) (-2; 1) C) (2; 1) D) (1; -2)
7. а > b ekanligi ma’lum bo‘lsa, to‘g‘ri tengsizlikni aniqlang?
A) B) -1,2a < - 1,2b
C) b + 2 > a + 2 D) 0,19 a< 0,19b
8. To‘g‘ri tasdiqni aniqlang.
A) Agar –12 < а < 10, bo‘lsa –10 < 2а < 12
B) Agar а > 4, b > 6, bo‘lsa аb < 21
C) Agar а > 1, b > 7, bo‘lsa а + b > 10
D) Agar а < 7, b < 3, bo‘lsa аb < 21
9. Qo‘sh tengsizlikni qanoatlantiruvchi n ning eng
katta butun qiymatini toping, bunda -4 ≤ n < 4
A)0 B)3 C)-4 D) 4
10. Funksiya S(t) = -2t + 3 formula bilan berilgan bo‘lsa S(2) ni toping.
A) 1 B)2 C)0 D)-1
11. Agar n-m = 2
2 bo’lsa , n va m ni taqqoslang.
A) n>m B) n
12. -6,4< 1,9 sonli tengsizlikni ikkila qismini -2 ga ko’paytiring.
A) 12,8>-3,8 B) -12,8<3,8
C) -12,8<-3,8 D) 12,8>-3,8
13. Tengsizlikni qo’shing: 4,1>-1,3 va 2>-4
A) 2,1>-2,7 B) 6,1>-5,3 C) 4,3>-1,7 D) 4,2>-2,3
14. Algebraik tengsizlik ko’rinishda yozing. x va -2 sonlari yig’indisi 3 dan kichik emas .
A) x-2 3 B) x+2 3 C) x- 2 3 D) x-3 2
15. funksiya grafigi M(-1;7) nuqtada o’tadi. ni toping?
A) 9 B) 5 C) -2 D)-4
Nazorat ishi
1. ning qanday qiymatida funksiyaning qiymati 1 ga teng bo’ladi
A) B) C) D)1
2. Tengsizlikni yeching: 5(x-3)+2x<4x+3
A) x>6 B) x<6 c)x>-6 D)x<-6
3. Tengsizlikni yeching: 4(x-1)+5(x+1)<6(x+2)+7(x-1)
A) x>1 B) x>-1 C) x<-1 D)x<1
4. Tengsizlikni yeching:
A) x<-0,05 B) x>1 C) x<0.1 D)x>-0,05
5. funksiyaning grafigi qaysi chorakda yotadi?
A) II,III,IV B) I,III,IV C) I,II,IV D) II,III
6. у = -0,5х + 2 va у = -3 + 2х funksiyalar grafiklarining kesishgan nuqtasining koordinatalarini toping.
A) (-2; -1) B) (-2; 1) C) (2; 1) D) (1; -2)
7. а > b ekanligi ma’lum bo‘lsa, to‘g‘ri tengsizlikni aniqlang?
A) B) -1,2a < - 1,2b
C) b + 2 > a + 2 D) 0,19 a< 0,19b
8. To‘g‘ri tasdiqni aniqlang.
A) Agar –12 < а < 10, bo‘lsa –10 < 2а < 12
B) Agar а > 4, b > 6, bo‘lsa аb < 21
C) Agar а > 1, b > 7, bo‘lsa а + b > 10
D) Agar а < 7, b < 3, bo‘lsa аb < 21
9. Qo‘sh tengsizlikni qanoatlantiruvchi n ning eng katta butun qiymatini toping, bunda -4 ≤ n < 4
A)0 B)3 C)-4 D) 4
10. Funksiya S(t) = -2t + 3 formula bilan berilgan bo‘lsa S(2) ni toping.
A) 1 B)2 C)0 D)-1
11. Agar n-m = 2
2 bo’lsa , n va m ni taqqoslang.
A) n>m B) n
12. -6,4< 1,9 sonli tengsizlikni ikkila qismini -2 ga ko’paytiring.
A) 12,8>-3,8 B) -12,8<3,8
C) -12,8<-3,8 D) 12,8>-3,8
13. Tengsizlikni qo’shing: 4,1>-1,3 va 2>-4
A) 2,1>-2,7 B) 6,1>-5,3 C) 4,3>-1,7 D) 4,2>-2,3
14. Algebraik tengsizlik ko’rinishda yozing. x va -2 sonlari yig’indisi 3 dan kichik emas .
A) x-2 3 B) x+2 3 C) x- 2 3 D) x-3 2
15. funksiya grafigi M(-1;7) nuqtada o’tadi. ni toping?
A) 9 B) 5 C) -2 D)-4
1>6>1>6>