1
O’ZBEKISTON RESPUBLIKASI
XALQ TA’LIMI VAZIRLIGI
ANDIJON VILOYATI ANDIJON TUMANI
1-umumta’lim maktabi
9-___ sinf o’quvchisi
_____________________ning
matematika fanidan
nazorat ishi
DAFTARI
O`qituvchi: Bexzodbek Otaboyev
2
____ ____. 202__-yil.
1-nazorat ishi. 2-qator
1. x ning shunday haqiqiy qiymatlarini topingki,
у = x
2
– x – 3 kvadrat funksiya –1 ga teng qiymat qabul qilsin.
____________________________________________________________
____________________________________________________________
___________________________________________________________.
2. у = x
2
funksiya grafigini yasamasdan: C (12; 144),
D(–3; –9) nuqtalardan qaysilari parabolaga tegishli bo‘lishini
aniqlang.
____________________________________________________________
___________________________________________________________.
3. Quyidagi funksiyalar grafiklari kesishish nuqtalarining
koordinatalarini toping: y = 2 x
2
va y = 3 x + 2.
____________________________________________________________
____________________________________________________________
____________________________________________________________
___________________________________________________________.
4. Parabola uchining koordinatalarini toping:
у = x
2
– 6 x – 7
____________________________________________________________
__________________________________________________________.
5.
Funksiyaning
grafigini yasang:
у = x
2
– 7 x + 10
3
____ ____. 202__-yil.
2-nazorat ishi. 2-qator
1. Tengsizlikni kvadrat tengsizlik ko'rinishiga keltiring:
a) 3 х
2
– 1 > x → _____________________________________________
___________________________________________________________;
b) 3 x
2
< x
2
– 5 x + 6 → ________________________________________
___________________________________________________________.
2. у = x
2
+ x – 6
funksiyaning
grafigini
yasang. Grafik bo‘yicha x
ning funksiya musbat
qiymatlar qabul qiladi-
gan qiymatlarini toping.
_______________________
_______________________
_______________________
_______________________
_______________________
___________________________________________________________.
3. Tengsizlikni intervallar usuli bilan yeching:
(𝑥 + 5)(𝑥 − 8) > 0
____________________________________________________________
___________________________________________________________.
4. Tengsizlikni intervallar usuli bilan yeching:
𝑥 − 4
𝑥 + 3
< 0
____________________________________________________________
___________________________________________________________.
5. Funksiya у( х) = х
2
– 4 х + 5 formula bilan berilgan.
Hisoblang:
у(–3) = ____________________________________________________.
4
____ ____. 202__-yil.
3-nazorat ishi. 2-qator
1. Funksiyaning
grafigini yasang ham-
da o‘sish va kamayish
oraliqlarini toping:
𝑦 = 3 − 𝑥
2
____________________
____________________
____________________
____________________
___________________.
2. Funksiya toq yoki juft bo‘lishini aniqlang:
a) 𝑦 = 2𝑥
4
→ _______________________________________;
b) 𝑦 = 𝑥
3
+ 3 → _____________________________________.
3. Funksiya juft ham, toq ham emasligini ko‘rsating:
𝑦 =
𝑥−1
𝑥+1
→ ___________________________________________
____________________________________________________.
4. Tengsizlikni yeching:
a) 𝑥
3
≤ 27 → _______________________________________
____________________________________________________;
b) 𝑥
4
> 625 → ______________________________________
____________________________________________________;
5. Tenglamani yeching: √𝑥
2
+ 3𝑥 + 6 = 3𝑥 + 8
_____________________________________________________
_____________________________________________________
_____________________________________________________
____________________________________________________.
5
____ ____. 202__-yil.
4-nazorat ishi. 2-qator
1. Ikki noma’lumli birinchi darajali tenglamalar sistemasini
yeching:
{
𝑥 + 5𝑦 = 9
3𝑦 − 2𝑥 = −5
2. Masala: Ikki sonning yig'indisi 18 ga, ularning
ko'paytmasi esa 65 ga teng. Shu sonlarni toping.
3. Tenglamalar sistemasini yeching: {
𝑥𝑦 − 2(𝑥 + 𝑦) = 7
𝑥𝑦 + 𝑥 + 𝑦 = 29
4. Tengsizliklar sistemasini yeching: {3𝑥
2
+ 5𝑥 − 2 < 0
4𝑥 + 9 > 0
5. Ixtiyoriy haqiqiy b da tengsizliklarning o'rinli ekanligini
isbotlang:
𝑏
2
+16
4
≥ 𝑏
6
____ ____. 202__-yil.
5-nazorat ishi. 2-qator
1. Graduslarda ifodalangan burchakning radian
o'lchovini toping:
a) 40° = ____________________________________________;
b) 105° = ___________________________________________.
2. Birlik aylana-
ning P (l; 0) nuqtasini
180° burchakka burish
natijasida hosil bo'lgan
nuqtalarining
koor-
dinatalarini toping.
3. Hisoblang:
a) cos
2𝜋
3
= ___________________________________________;
b) sin(−90°) = ________________________________________.
4. Agar α = 848° bo‘lsa, (1; 0)
nuqtani α burchakka burishda
nuqta qaysi chorakda yotishini
aniqlang.
5. 0 < α <
𝜋
2
bo’lsin. Sonning
ishorasini aniqlang:
a) cos (
𝜋
2
+ 𝛼) ________________;
b) tg (
3𝜋
2
− 𝛼) ________________.
7
____ ____. 202__-yil.
6-nazorat ishi. 2-qator
1. Agar: sin 𝛼 = 0,8 va
𝜋
2
< 𝛼 < 𝜋 bo‘lsa,
cos 𝛼 = ____________________________________________________
___________________________________________________________;
tg 𝛼 = ______________________________________________________
____________________________________________________________
ni hisoblang.
2. Ayniyatni isbotlang:
2 − sin
2
𝛼 − cos
2
𝛼 = 1
___________________________________________________________
___________________________________________________________
___________________________________________________________.
3. Hisoblang:
cos (−
𝜋
6
) sin (−
𝜋
3
) + tg (−
𝜋
4
) =
=___________________________________________________________
____________________________________________________________
___________________________________________________________.
4. Qo‘shish formulalari yordamida hisoblang:
a) cos l20° = _________________________________________________
____________________________________________________________
___________________________________________________________;
b) cos 57°30′ cos 27°30′ + sin 57°30′ sin 27°30′ = __________________
____________________________________________________________
___________________________________________________________;
5. Ifodani soddalashtiring: cos(−𝛼) sin(−𝛽) − sin(𝛼 − 𝛽) =
= __________________________________________________________
____________________________________________________________
____________________________________________________________
___________________________________________________________.
8
____ ____. 202__-yil.
7-nazorat ishi. 2-qator
1. Hisoblang:
a) cos
2
15° − sin
2
15° = ______________________________________
___________________________________________________________;
b) (cos 15° + sin 15°)
2
= ______________________________________
___________________________________________________________.
2. Ayniyatni isbotlang:
(sin 𝛼 − cos 𝛼)
2
= 1 − sin 2𝛼
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________.
3. Hisoblang:
a) cos 7𝜋 = _________________________________________________
___________________________________________________________;
b) sin 720° = _______________________________________________
___________________________________________________________.
4. Ifodani soddalashtiring:
cos (
𝜋
4
− 𝛽) − cos (
𝜋
4
+ 𝛽) =
=__________________________________________________________
___________________________________________________________
___________________________________________________________.
5. Tenglamani yeching:
cos(𝑥 − 𝜋) = 0
______________________________
______________________________
______________________________
______________________________
______________________________
_____________________________.
9
____ ____. 202__-yil.
8-nazorat ishi. 2-qator
1. n – hadining formulasi bilan berilgan ketma-ketlikning
birinchi uchta hadini hisoblang:
|