8-sinf Matematika 4-chorak №2

Yaratilgan sanasi May 18, 2021 tomonidan InfoMaster

8-sinf Matematika 4-chorak

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Ism

1 / 25

Kvadrat tenglamani yeching $x^{2}+x-6$ =0

A) x₁=-3, x₂=2

B) x₁=0, x₂=2

C) x₁=-3, x₂=-2

D) x₁=3, x₂=2

2 / 25

7x+5 $\geq$ 3(x-1)-4x tengsizlikning yechimi bo`ladigan eng kichik butun sonni toping.

A) x=-1

B) x=2

C) x=-2

D) x=1

3 / 25

Ikki soning ayirmasi 3 ga, ularning ko`paytmasi 28 ga teng. Shu sonlarni toping

A) 17 va 14

B) 7 va 4

C) 5 va 2

D) 7 va 14

4 / 25

To‘g‘ri burchakli uchburchakning katetlari 4 cm va 9 cm. Shu to‘g‘ri burchakli uchburchakning yuzini toping.

A) 20

B) 36

C) 18

D) 9

5 / 25

Ta'rifni to'ldiring. Ikala tamoni parallel, qolgan tamonlari parallel bo'lmagan to'rtburchak .... deb ataladi.

A) romb

B) parallelogramm

C) kvadrat

D) trapetsiya

6 / 25

Tenglamani yeching: $3x^{2}=48$

A) x₁,₂=±√3/48

B) x₁,₂=±√48/3

C) x₁,₂=4

D) x₁,₂=±4

7 / 25

Teng yonli trapetsiyaning diagonallari o‘zaro perpendikular va balandligi 8 cm ga teng. Shu trapetsiyaning yuzini toping.

A) 55

B) 45

C) 64

D) 36

8 / 25

Tenglamani yeching

A) x=-12

B) x₁,₂=-12

C) x₁,₂=±12

D) x₁,₂=12

9 / 25

Nuqtalar abssissasini toping. (1;0), (4;0), (0;-2)

A) 1, 4, 0;

B) 1, 4, -2.

C) 1, 0, 0;

D) 0, 0, -2;

10 / 25

Tenglmalar sistemasini yeching

A) x=5, y=-1

B) x=1, y=-1

C) x=3, y=1

D) x=2, y=-2

11 / 25

Yuzi 144 sm² , balandliklari 8 sm va 12 sm bo’lgan paraleligramning perimetrini toping.

A) 40 sm

B) 60 sm

C) 46 sm

D) 56 sm

12 / 25

Viktor deb nimaga qaytiladi?

A) Faqat son qiymati bilan aniqlanadigan kattalikka

B) Son qiymati va yo'nalishi bilan aniqlanadigan kattalikka

C) Faqat yo'nalish qiymati bilan aniqlanadigan kattalikka

D) Bunday tushuncha yo'q

13 / 25

Ta'rifni to'ldiring. Tamonlari teng bo'lgan parallelogramm .... deb ataladi.

A) Parallelogramm

B) Uchburchak

C) Trapetsiya

D) Romb

14 / 25

Hisoblang: $\sqrt{28-12}$

A) -4

B) 3

C) 16

D) 4

15 / 25

$\vec{a}(2;4)$ va $\vec{b}(-1;4)$ berilgan bo'lsa $\vec{a}-\vec{b}$ vektorning kordinatalarini toping.

A) -3;0

B) 1;8

C) -3;-8

D) 3;0

16 / 25

Tenglamani yeching $x^{2}=64$

A) x₁,₂=8

B) x₁,₂=±8

C) x₁,₂=-8

D) x₁,₂=√64

17 / 25

$\vec{a}(m;4)$ vektorning uzunligi 5 ga teng. m ni toping.

A) 4

B) 3

C) 2

D) 5

18 / 25

Skalar kattalik deb nimaga aytiladi?

A) Son qiymati va yo'nalishi bilan aniqlanadigan kattalikka

B) Faqat son qiymati bilan aniqlanadigan kattalikka

C) Bunday tushuncha yo'q

D) Faqat yo'nalishi bilan aniqlanadigan kattalikka

19 / 25

Ta'rifni to'ldiring. Tamonlari teng bo'lgan to'g'ri to'rtburchak .... deb ataladi.

A) Romb

B) Parallelogramm

C) Trapetsiya

D) Kvadrat

20 / 25

Kvadrat tenglamani yeching $12x^{2}+7x+1=0$

A) x₁=1/3, x₂=1/4

B) x₁=-1/3, x₂=-1/4

C) x₁=-1/3, x₂=1/4

D) x₁=0, x₂=-1

21 / 25

$\vec{a}(2;6)$ va $\vec{b}(-1;4)$ berilgan bo'lsa $\vec{a}+\vec{b}$ vektorning kordinatalarini toping.

A) 3;2

B) 1;10

C) -1;10

D) 3;10

22 / 25

Tenglamani yeching $x^{2}=25$

A) x₁,₂=-5

B) x=5

C) x₁,₂=5

D) x₁,₂=±5

23 / 25

Tenglamani yeching: 2x+1=3

A) 2

B) 0,5

C) 3

D) 1

24 / 25

x ning qanday qiymatida funksiyaning qiymati 1 ga teng bo’ladi

A) 16/10

B) 12/13

C) 15/8

D) 17/8

25 / 25

Tengsizlikni yeching:

4(x-1)+5(x+1)<6(x+2)+7(x-1)

A) x>-1

B) x>1

C) x<-6

D) x<-1

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