Toshloq tumani

3. Mustahkamlash. Test yechiladi.
TESTLAR.
1. x²-3x+2 kvadrat uchhadni chiziqli ko‘paytuvchilarga ajrating.
A) (x+1 )(jc+2) B) (jc-1 )(x-2) С) (x-2)(x+1)
D) (jc-1)(jc+2) E) (1-jc)(jc+2)

2. 
   2T13+24T3+45T2+25’44-89'24 ning qiymatini toping.
   

A) 0 B) 89 C) 126 D) 79 E) 1

2. 
   2n²-3an-\0n+\5a ко‘phadni ко‘paytuvchilarga ajrating.
   

A) (2n-3a)(n-5) В) (3a-n)(5-2n) C) (5+n)(3a+2n)
D) (5-n)(3a+2n) E) (2n-5)(n+3a)


4. 9-(2б-1 f ni ко‘paytuvchilarga ajrating.
А) (2с+1)(4оЗ) B) (3c-l)(c+4) C) 4(c-2)(c+l)
D) 2(с-1 )(c+2) E) 4(c+1 )(2-c)

5. 
   (3z-xf-(2y-xf-(3z-2yf ko‘phadni ko‘paytuvchilarga ajrating.
   

A) -3(3z-x)(2y-x)(3z-2y) B) 6(3z-2y)(3z-x)(2y-x)

100. 
     3(3z-2y)(3z-x)(2y-x) D) ko‘paytuvchilarga ajralmaydi.
     

E) to‘g‘ri javob keltirilmagan.

5. 
   l-(2x-3)² ni ko‘paytuvchilarga ajrating.
   

A) 2(1-jc)(jc-2) B) 4(2-jc)(jc-1) C) 3(jc-2)(jc+1)

4. 
   2(x+2)(x+1) E) (2-3jc)(jc- 1)
   

5. 
   l-(8² ni ko‘paytuvchilarga ajrating.
   

A) 4(a-2)(a+3) В) 4(2йг+1)(4йг-1) C) (\6a-\)(4a-3)
D) 8(4a+1)(1 -2d) E) 8(1 -2d){4a-1)

5. 
   2117-1817+1715-1514+1813-15 13 nihisoblang.
   

A) 180 B) 205 C) 135 D) 125

5. 
   x²+x-2 kvadrat uchhadni chiziqli ko‘paytuvchilarga ajrating.
   

A) (x+1 )(jc-2) В) (1 -x)(x+2) С) (x-1 )(x+2)
D) (jc-1)(jc-2) E) (jc+1)(jc+2)

5. 
   2²Z?+3²-15Z? ko‘phadni ko‘paytuvchilarga ajrating.
   

A) (2с?+Ь)(Ь-5а) B) (3+2ab)(a-5b) C) (a+5b)(2ab-3)
D) (2ab-3)(a-5b) E) (ab+5)(2a-3b)

5. 
   3624-33 24+1711-1411+1816-1516 nihisoblang.
   

A) 235 B) 180 C) 155 D) 166 E) 153

5. 
   2723-2423+21 19-18 19+17 11-14 11 nihisoblang.
   

A) 203 B) 143 C) 159 D) 165 E) 189

5. 
   (2y-3zf-(x-3zf-(2y-xf ko‘phadni ko‘paytuvchilarga ajrating.
   

A) -3(2y-3z)(x-3z)(2y-x) B) 6(2y-x)(2y-3z)(x-3z)
C) 3(2y-x)(2y-3z)(x-3z) D) ko‘paytuvchilarga ajralmaydi

4. 
   to‘g‘ri javob keltirilmagan
   

5. 
   2n²-3an-\0n+\5a ko‘phadni ko‘paytuvchilarga ajrating.
   

A) (5-n)(3a-2n) B) (a+5b)(2ab-3) C) (3+ab)(2a-5b)
D) (2n+3a)(n+5) E) (2n-5)(n+3a)


15. (a²+\6)²-64a² ni ко‘paytuvchilarga ajrating.


А) (с^-Щс^+А)


D) ^-(a²-60)


В) (а-2)-(а+2)¹


E) (a-8)²-(a+8)²


C) {a-4)²-{a+4)²


E) 165

16. 
    x⁴+x²+l ni ko‘paytuvchilarga ajrating.
    

A) (x²+x+\)(x²+x-\) B) (jc²+jc+ 1 )(x²-x+1)
C) (jc²+jc+ 1 )(x²-x-1) D) (x²+jc+ 1 )(-jc²+jc- 1)

E) ко‘paytuvchilarga ajratib bo‘lmaydi.

17. 
    a³+9a²+21a+\9 ni ko‘paytuvchilarga ajrating.
    

A) (a+1 )(a²-3a+19) В) (a+\)(a¹+3a+19)
C) {a+\){c?+8a+\9) D) {a-\){c?+3a+\9)
E) (a-ljia²+8a+\9)

17. 
    b²+ab-2a²-b+a ni ko‘paytuvchilarga ajrating.
    

A) (a-b)(2a-b) B) (a+b)(2a-b-\) C) (a-b)(2a-b-\)
D) (b-2a)(a-b+1) E) (b-a)(2a+b-1)

17. 
    (x-yf-(z-yf+(z-x)³ ko‘phadni ko‘paytuvchilarga ajrating.
    

A) 3(x-y)(y-z)(x-z) B) -3(x-y)(z-y)(x-z) C) 3(y-x)(y-z)(z-x)
D) -3 (x-y)(z-y)(z-x) E) ко ‘ paytuvchilarga aj ralmaydi.

17. 
    a⁵+a⁴-2cr'-2a²+a+\ ni ko‘paytuvchilarga ajrating.
    

A) (a+1)V1 )³ В) (a+\)\a-1 f С) (a+1 )\a-1)
D) (a+1 ){a-1 )⁴ E) (a²+1 f(a-1)

17. 
    x¹²-l ni ко‘paytuvchilarga ajratganda, nechta ratsional ko‘paytuvchidan iborat bo‘ladi?
    

A) 4 B) 5 C) 6 D) 8 E) 7

2. 
   Darsni yakunlash.
   
3. 
   Uyga vazifa: test yechish tematik axborotnomalardan
   

Tayyorladi:
Tekshirdi: OTIBDO‘ :


20 y.

Sana:

2. 
   O-mas/12 ‘ulot
   

Dars mavzusi. Algebraik kasrlar ustida to‘rt amalga doir misollar.
Dars maqsadlari: o‘quvchilarga algebraik kasrlar ustida to‘rt amalga doir misollarni o‘rgatish, ularning fanga qiziqishlarini oshirish.


Darsning borishi:

1. 
   Tashkiliy qism.
   
2. 
   Algebraik kasrlar ustida to‘rt amalga doir misollar.
   

Algebraik kasrlar ustida to‘rt amalga doir misollar.
b(a + b)² a³ _ b(a + bf a³ _
1-misok a⁴-b⁴ a⁴+a²b² (a-b\a + b)a² +b²) a² (a² + b²)
_ b(a + b)+a(a-b) _ ab + b² +a² -ab _ 1
{a-b)b{a² +b²) (a-b)b{a² +b²) a-b’

2. 
   misol:
   

a²-2a + \ a²-1 2a-b {b-2\b + 2) 2a-b
b — 2 b² - 4 a +1 b — 2 (a-lX^ + l) a +1
_{a-1 Ур + 2) 2a-b _ab-b + 2a-2-2a + b _ab-2


a +1 a +1 a +1 a + 1