7 sinf uchun III chorak testi matematika

7 sinf uchun III chorak testi matematika
1-variant

1. 
   2(2x-3)=4x+4 tenglamani yeching.
   

A) 0 B) -7 C) 7 D) yechimga ega emas

2. 
   Yig’indisi 20 ga teng bo’lgan ikki sondan biri ikkinchisidan 3 marta katta.Shu sonlarni toping?
   

A) 15 va 3 B) 6 va 3 C) 15 va 20 D) 15 va 45

3. 
   Eng katta burchakni toping
   

A) 70,5⁰ B) 71,5⁰ C) 71⁰ D) 72⁰

4. 
   hisoblang
   

A) -3 B) C) D) -2,7

5. 
   y=3x to`g`ri chiziq koordinata tekisligining qaysi choraklaridan o`tadi
   

A)I,II, B) I, III, C) I,II,IV D) II, III,

6. 
   Ko’paytuvchilarga ajrating: 5(a-b)+a²(a-b)-3(b-a).
   

A) (a-b)(a²+2) B) (a-b)(a²+8)
C) (a-b)(a²-8) D) (b-a)(a²-8)

7. 
   Tenglamaning ildizini toping 8x= -16
   

A) 2 B)-2 C)8 D) -8
8.. Yig’indisi 81 ga teng bo’lgan uchta ketma – ket toq sonni toping?
A) 23; 25; 27 B) 25; 27; 29
C) 27; 29; 30 D) 21; 23; 25
9. Onasi 50 yoshda, qizi esa 28 yoshda. Necha yil oldin qizi onasidan 2 marta yosh bo’lgan?
A) 3 B) 4 C) 5 D) 6
10. Tenglamani yeching
A) -5 B) 5 C) -4 D) -2
11. Ikki to`g`ri chiziqni kesishishidan hosil bo`lgan ikkita burchakning yig`indisi 130⁰, qo`shni burchaklarni toping
12. Burchakka faqat bitta qo`shni burchak yasash mumkin
13. Noma`lum burchakni toping

14. Berilgan burchaklar asosida uchburchak turini aniqlang 90⁰,45⁰,45⁰
15. Muntazam uchburchakning bir tamoni 4,3dm ga teng.Uning perimetrini toping.

Javoblar

1	2	3	4	5	6	7	8	9	10
D	A	C	C	B	B	B	B	D	A

11. 65⁰, 115⁰
12. Yo`q
13. 65⁰
14.to’g’ri burchakli uchburchak
15.12.9 dm

2- variant

1. Tenglamani yeching
A) -5 B) 5 C) -4 D) -2
2.Onasi 50 yoshda, qizi esa 28 yoshda. Necha yil oldin qizi onasidan 2 marta yosh bo’lgan?
A) 3 B) 4 C) 5 D) 6
3.Yig’indisi 20 ga teng bo’lgan ikki sondan biri ikkinchisidan 3 marta katta.Shu sonlarni toping?
A) 15 va 3 B) 6 va 3 C) 15 va 20 D) 15 va 45 13. 4.Noma`lum burchakni toping

g

A) 70,5⁰ B) 75⁰ C) 65⁰ D) 72⁰

5. hisoblang
A) -3 B) C) D) -2,7

6. 
   y=3x to`g`ri chiziq koordinata tekisligining qaysi choraklaridan o`tadi
   

A)I,II, B) I, III, C) I,II,IV D) II, III,

6. 
   Ko’paytuvchilarga ajrating: 5(a-b)+a²(a-b)-3(b-a).
   

A) (a-b)(a²+2) B) (a-b)(a²+8)
C) (a-b)(a²-8) D) (b-a)(a²-8)

6. 
   Tenglamaning ildizini toping 8x= -16
   

A) 2 B)-2 C)8 D) -8
9.. Yig’indisi 81 ga teng bo’lgan uchta ketma – ket toq sonni toping?
A) 23; 25; 27 B) 25; 27; 29
C) 27; 29; 30 D) 21; 23; 25

10. 2(2x-3)=4x+4 tenglamani yeching.

A) 0 B) -7 C) 7 D) yechimga ega emas

11. Ikki to`g`ri chiziqni kesishishidan hosil bo`lgan ikkita burchakning yig`indisi 130⁰, qo`shni burchaklarni toping
12. Burchakka faqat bitta qo`shni burchak yasash mumkin
13. Berilgan burchaklar asosida uchburchak turini aniqlang 90⁰,45⁰,45⁰
14. Muntazam uchburchakning bir tamoni 4,3dm ga teng.Uning perimetrini toping.
15.Eng katta burchakni toping



Javoblar

1	2	3	4	5	6	7	8	9	10
A	D	A	C	C	B	B	B	B	D

11. 65⁰, 115⁰
12. Yo`q
13. to’g’ri burchakli uchburchak
14.12,9dm
15.71⁰