Toshloq tumani

2^+1 _|_ ^-m+l
(4^т +ф^т+2 +3^m+1)
А) 0,5 • 6~^т


kasrni qisqartiring.
С) б

^В) I

т-1 D) 3* Е) 2" 5-2^^2+10-2^ 8.	10^k+2	ni soddalashtmng.
	A) 4^_1-5'^k	В) 4'^2-5'^k C) 4-5'^k D) 2^_1-5'^k	E) 2-5'^k
	25га-3 2
9.	2^4n~^l	ni soddalashtiring.
	A) 2^3n	B) 2^4n+1 C) 2^4n+2 D) 2^5n	E) 2^4n
	^4w+3 ^Зи-2
10	3^2и“1	ni soddalashtiring.
	A) 3^5n+2	В) З^5п+3 C) 3^5n+1 D) 3^5n_1	E) 3^5n+4
11	. 5'4^2n'^3-20 (2	^n'^2)^4 5 * ifodani soddalashtiring.
	A) 2	В) 4^2n C) 4 D) 2^n_1	E) 0

^а+1 ^2 а—1

9. 
   —^_а ning qiymati 9 dan qancha kam?
   

A) 4,5 В) 3 C) 3,5 D) 4 E) 5,5

9. 
   Agar 3^a_3=l 1 bo‘lsa, 3^5_a ning qiymatini toping.
   

113 9 27
А)— В)— C) 99 D)- E) —

⁷ 9 ⁷16 ^{7 7}ll ⁷ 11

9. 
   20 dan katta boMmagan barcha natural sonlaming ko‘paytmasi n (neA) ning qanday eng katta qiymatida 2" ga qoldiqsiz boMinadi?
   

A) 16 B) 20 C) 18 D) 10 E) 14


4. Darsni yakunlash.


5. Uyga vazifa: test yechish tematik axborotnomalardan


Tayyorladi:


Tekshirdi: OTIBDO‘ :


20 y.

3	Г 2^1	2 ,	f П
ЪтпкАп — nm	2-	nk + — n m	-4 —
8	l 3j	9	l 2

к = 12 kmn² - kmn² - kmn² = 10 kmn²


Misol: Ko‘phadlami ko‘paytiring: (tr +n-\\n² -2n +2) Yechish: 1-usul:
(n² + n - ifp² - 2n + 2) = n⁴ - 2n³ + 2n² +n³ - 2n² =
= n⁴ -n³ -n² +4n-2
2-usul:
n² +n-1
x
n² -2n +2
4,3 2
n +n -n
+ — 2 n — 2 n + 2 n

2. 
   n² +2n-2
   

n⁴ -n³ -n² +4n-2 3. Mustahkamlash. Test yechiladi.
TESTLAR.


1. (2jc-3)²-jc(-4jc+1) ko‘phadni standart shaklga keltiring.
A) 8jc²—jc+7 B) 20jc²-25jc+9 C) 12jc²-25jc+9

4. 
   2jc²+jc-9 E) 8jc²—13jc+9
   

2. a(b-c)+b(c-a)-c(b-a) ni soddalashtiring.


A) 2 В) 0 C) 2ab D) -2ac


E)2bc-2ac

1. 
   (у⁴-у²+1)(у²+1) - (y-l)(y+l) ni soddalashtirgandan keyin hosil boMgan ko‘phadning nechta hadi boMadi?
   

A) 5 B) 2 C) 4 D) 3 E) 6

2. 
   —8—2(1—Z?) -2b+\ ni soddalashtiring.
   

A)-9 B)9+4b C)9-4b D) 9 E)-9-4b

3. 
   2x(x-\)-(2x-\)(x+ 1) ko‘phadni standart shaklga keltiring.
   

A)3jc+1 B)4jc²-5jc+1 C) 2jc²-3jc D) 4jc²-1 E)-3jc+1

4. 
   (jc-1)(2-jc)+(2jc-3)² ko‘phadni standart shaklga keltiring.
   

A) 12jc+4-jc² B) 3jc²—8 С) 2>x²-9x+l
D) 5jc²+9jc-7 E) 5jc²-10jc+1

5. 
   a(b+c-bc)-b(c+a-ac)+c(b-a) ni soddalashtiring.
   

A) ab-ac B) -2bc C) 2ac D) -2abc E) 0

6. 
   (ал'+2у)(Зл'+Ру)=ул'²+7л'у+у² ayniyatdagi noma’lum koeffitsientlardan biri a ni toping.
   

A) 3 B) 2 C) 4 D)| E)|

7. 
   (ал'-2у)(л'+3у)=ал'²+5.уу-6у² ayniyatdagi noma’lum koeffitsient a ni toping.
   

A) | B) 2 C)| D)| E)3

8. 
   (jc-1)(2-jc)+(jc+3) ko‘phadni standart shaklga keltiring.
   

A) —jc²+4jc+1 В) 9x+1 C) 3jc²+15jc+7
D) 5jc²+9jc-7 E) 5jc²-10jc+1

9. 
   Agar P = -x--y-(x + 2y) va Q = -x + -y-(x + 6y) bo‘lsa, R-Q ni toping.
   

A) jy В)^y C) 4y D)A E)|r
4. Darsni yakunlash.


5. Uyga vazifa: test yechish tematik axborotnomalardan


Tayyorladi:


Tekshirdi: 0’TIBD0‘ :


20 y.