Toshloq tumani

8.


D) 8 E) 6
tengsizliklar sistemasining butun yechimlari yig‘indisini toping.
C) 5 D) 21 E) 19


9.


■У + 3 ^y-5

²_{+l 4} tengsizliklar sistemasi nechtabutun yechimga ega?

У >4


4 5
A) 2 B) 4 C) 5 D) 3 E) 1
j- x - 5 < —2x - 2
[-2x + 2 > 3 - 3x
A) 0 B)2
x + 5


10.


tengsizliklar sistemasining butun yechimlari yig‘indisini toping. С) 1 D) 3 E) 4


11.


-2x > 0
4
2x-8 , _
x > l-2x


tengsizliklar sistemasining eng katta butun yechimini ko‘rsating.


12.


A) -1
[bx >5b-3


B)1


C) 2


D) -2


E) 0


tengsizliklar sistemasi b ning qanday qiymatlarida yechimga ega


[bx < 4b
bodmaydi?
A) (-oo; 0) B) (-oo; 0) (6; oo) C) [6; oo) D) (3; oo) E) (-oo; 0) (6; oo)


4. Darsni yakunlash.


5. Uyga vazifa: test yechish tematik axborotnomalardan


Tayyorladi:


Tekshirdi: OTIBDO‘ :


20 y.




Sana:

23. 
    mashs⁽ulot
    

Dars mavzusi. Kasr maxrajidagi irratsionallikni yo‘qotish.
Dars maqsadlari: o‘quvchilarga kasr maxrajidagi irratsionallikni yo‘qotishni
o‘rgatish, ulaming fanga qiziqishlarini oshirish.


Darsning borishi:

1. 
   Tashkiliy qism.
   
2. 
   Kasr maxrajidagi irratsionallikni yo‘qotish.
   

Kasr maxrajidagi irratsionallikni yo‘qotish.


1-misol:


\ n


a-4n _ a-yfn 4n-yfn n


2-misol:





b ■ \[c b ■ \fc


~ • , n _ n{ja + Jb) _ n{ja + Jb}
j-misol. _а__ь


4-misol:


к _ ki^Ja^ + %fab +л!ь^)
a ± \[b a±b


3. Mustahkamlash. Test yechiladi.
TESTLAR.

1. 
   ^ ni soddalashtiring.
   

V5-2 V5


2.


A) 1
r 1


V3+V2 2+V3
A) 2V2 B) 2V3


B) 4 C)3 D) 2 E) 5
¹ (2+V2) ni soddalashtiring.


3.






C) 2 1


V1+V2 V2+V3 V1599+V1600


D) 3V2 E) 4
ifodaning qiymatini toping.


A) 52 B) 41 C) 39 D) 34
28


E)

1. 
   
   4.
   
   
   
   
   
   
   7Г + 7з л/з+л/5 V5+V7 V79+V81
   А) 6 В) 5 С)3 D) 2
   5. —¹—+^3— ni hisoblang.
   С) 4 D) Vs
   
   
   yig‘indini hisoblang.
   Е) 4
   
   
   2 + л/з л/З-1
   А) 2 В)3
   
   ⁴ V2 4+V2 _ni_ng qiymatiiii toping.
   

4+V2 4-V2


Е) 2л/з


А) В) 8V2 С) 6 D)^t Е)-4V2
о . jq о \п

6. 
   — ning qiymatini toping.
   

3 — У 7 3 + v7
A) 4+V7 В) -зТ7 С) бл/У D) 3 Е) 6

7. 
   1±2™₊lz2™. ning qiymatini toping.
   

4—V6 4+V6
A) 2 B)^ C) 4| D) E) 3,2

4. 
   Darsni yakunlash.
   
5. 
   Uyga vazifa: test yechish tematik axborotnomalardan
   

Tayyorladi:
Tekshirdi: OTIBDO‘ :

23. 
    mashs⁽ulot
    

Dars mavzusi. Haqiqiy sonning moduli.
Dars maqsadlari: o‘quvchilarga haqiqiy sonning
ulaming fanga qiziqishlarini oshirish.


Sana:


modulini oTgatish,


Darsning borishi:

1. 
   Tashkiliy qism.
   
2. 
   Haqiqiy sonning moduli.
   

Haqiqiy sonning moduli.
a - haqiqiy sonning moduli (absolyut qiymati) \a\ bilan belgilanib, u quyidagicha aniqlanadi:


[agar a > Obo'lsa,a [agar a < 0 bo' Isa, - a


Masalan: |2|=2; |-5|=5; |0|=0. Xossalari:

1. 
   |-я|=|я|, |я|>0, \a\=Q <^4> a=0;
   
2. 
   |я-Ь|>|я|-|Ь|, |я+Ь|<|я|+|Ь|;
   
3. 
   |<2гЬс|=|я|-|Ь|-|с|;
   

\a\


И’


b^oAa 1 = \a\ ¹


3. Mustahkamlash. Test yechiladi.


TESTLAR.


| 4-4-13 — 61 — 81 ... _K1
1. ^J —-¹ m hisoblang.


14-13-81-71


A) 2

2. 
   1
   

2. 
   3
   

2. 
   4
   

I 4-5-1 4-61 +4-1 3-6II ... _U1 2. J ^{J L} m hisoblang.


B) -

^J 2

| 3-4-1 7-5
A) 1
3. m=|4,8|; w=|-4,(8)|; r=
A) n>m>r>q


C).f


E) 2,5

^DA

E),I


va q=|-3,21 sonlarini kamayish tartibida yozing.


B) m>n>r>q C) m>r>q>n
D) r>m>q>n E) m>r>n>q

8Z	va q=	-8«
9	i	7

B) m>n>r>q C) m>q>n>r
D) q>m>n>r E) q>n>m>r


5. Agar r>q>k>0 bo‘lsa, r q - к-q k-r ni soddalashtiring. A) 2r B) 2r+2q-2k C) 2r+2q+2k
D) 2r+2k E) 2q-2k

4. 
   Agar a>b>c bo‘lsa, | ab c a b c\ ni soddalashtiring.
   

A) a-2b B) 2c C) 2a D) 2a-2b E) b-2c


7. Agar x>y>0 bo‘lsa,


y[xy-


JC + y






ni soddalashtiring.


A) x-y


В) 2д/ху C) -2y[xy D)x+y


E) y-x


8. Quyidagi munosabatlardan qaysi biri noto‘g‘ri?
A) tf+b^+b²
D) 4cb =\ a \ E) {jaf


B) \a^+b^\>a^+b^


C) \a³+b⁴\>a³+b⁴


= a


9. Son o‘qida -2 dan 4,7 birlik masofada joylashgan sonlami aniqlang.
A)-6,7; 2,7 B)-6,7;-2,7 C) 6,7; 2,7 D)-6,7 E)

4. 
   Darsni yakunlash.
   
5. 
   Uyga vazifa: test yechish tematik axborotnomalardan
   

Tayyorladi:
Tekshirdi: OTIBDO‘ :