64.
Kasrning maxrajini irratsionallikdan qutqaring.
2
5− √25
3
+ √5
3
.
A)
3− √5
3
12
B)
5+ √25
3
15
C)
5+ √5
3
22
D)
6− √5
3
12
65.
Ildizlari
3𝑥
2
− 2𝑥 − 5 = 0
tenglamaning
ildizlariga teskari boʻlgan tenglamani koʻrsating.
A)
7
3
𝑥
2
− 5𝑥 + 2 = 0
B)
5𝑥
2
+ 2𝑥 − 3 = 0
C)
3𝑥
2
− 10𝑥 + 2 = 0
D)
5𝑥
2
− 3𝑥 − 2 = 0
66.
{
2
𝑥−5
+
3
𝑦−4
= 5
3
𝑥−5
−
4
𝑦−4
= 2
tenglamalar sistemasini yeching.
A)
(
5
6
;
3
5
)
B)
(
117
25
;
50
23
)
C)
(
147
26
;
61
11
)
D)
(
151
23
;
5
6
)
67.
Tengsizlikning eng katta butun yechimini aniqlang.
{
3(𝑥 − 5) − 2(2𝑥 − 3) ≥ 5
5(𝑥 − 4) − 3𝑥 ≤ 𝑥 − 3
A) 17 B) – 13 C) 0 D) – 14
68.
Tenglamani yeching.
|2𝑥 − 3| = 3|𝑥 − 5|
A) 3,6; 12 B) 4,8; 15
C) 4;12 D) 12
69.
Sakkizta haddan iborat
geometrik progressiyaning
dastlabki toʻrtta hadi yigʻindisi 60 ga, qolgan hadlari
yigʻindisi esa 960 ga teng. Shu progressiyaning
uchinchi hadini toping.
A) 32 B) 8 C) 12 D) 16
70.
√6 − 2√𝑥 − 3 + √𝑥 − 3 = 3
tenglama
yechimlarining oʻrta proporsional qiymatini toping.
A)
4√3
B) 3 C) 1 D)
3√3
71.
Bir ishchi ishni 10 soatda bajaradi, ikkinchi ishchi
esa 18 soatda. Ular birgalikda 6 soatda ishlashsa,
ishning qancha qismini bajarishadi?
A)
7
90
B)
14
15
C)
1
6
D)
13
30
72.
n ning qanday qiymatlarida
𝑦 = 𝑙𝑜𝑔
5
(𝑥
3
− 5𝑛𝑥 +
2𝑛 − 3)
funksiyaning
aniqlanish sohasi
(−∞; 2) ∪
(2; ∞)
oraliqda boʻladi?
A)
3
7
B)
15
8
C)
5
8
D)
15
19
73.
Ushbu
2 ∙ 9
2𝑥
2
−𝑥
− 7 ∙ 3
2𝑥
2
−𝑥
+ 3 = 0
tenglama
nechta ratsional yechimga ega?
A) 2 B) 3 C) 4 D) 5
74.
Tengsizlikni yeching.
𝑙𝑜𝑔
5
(6(𝑥 − 2) − 20) > 2
A)
𝑥 < 9
B)
𝑥 ≥ 8,5
C)
𝑥 > 0
D)
𝑥 > 9,5
75.
Agar
𝑡𝑔29
0
= 𝑎
boʻlsa,
𝑠𝑖𝑛61
0
ni a orqali
ifodalang.
A)
√𝑎
2
− 1
B)
2 +
1
√𝑎
2
+1
3
C)
1
√𝑎
2
+1
D)
3𝑎 −
1
√𝑎
76.
𝑦 =
𝑥
3
3
− 7,5𝑥
2
+ 36𝑥 + 6
funksiyaning oʻsish
oraligʻiga kirmaydigan tub sonlarning yigʻindisini
toping.
A) 20 B) 27 C) 38 D) 23
77.
Ushbu
𝑓(𝑥) = 𝑥
3
− 5𝑥
2
+ 8𝑥 + 3
funksiyaning
M(2;0) nuqtadan oʻtuvchi boshlangʻich funksiyasini
toping.
A)
𝐹(𝑥) = 𝑥
4
−
5
3
𝑥
3
+ 4𝑥
2
+ 3𝑥 −
74
3
B)
𝐹(𝑥) = 3𝑥
2
− 10𝑥 + 8
C)
𝐹(𝑥) =
𝑥
4
4
−
5
3
𝑥
3
+ 4𝑥
2
+ 3𝑥 −
38
3
D)
𝐹(𝑥) =
𝑥
4
4
−
5
4
𝑥
3
+ 4𝑥
2
+ 3𝑥 − 5
78.
√3(𝑥 − 3) + 𝑥
2
− 2𝑥𝑦 + 3𝑦 + 3 = 0
tenglamaning yechimlari natural sonlardan iborat. Shu
tenglama yechimlarining koʻpaytmasini toping.
A) 15 B) 12 C) 9 D) 6
79.
ABC
uchburchakda BAC burchak
𝛼
ga, ACB
burchak esa
2𝛼
ga teng.
BC = 𝑎
boʻlsa, AB tomonni
toping.
A)
2𝑎𝑐𝑜𝑠𝛼
B)
2𝑐𝑜𝑠2𝛼
C)
𝑎𝑠𝑖𝑛𝛼
D)
𝑎𝑐𝑜𝑠𝛼
80.
ABCD parallelogrammda AC va BD diagonallar
O nuqtada kesishadi. OD=3 va OC=5. Diagonallar
kesishganda hosil boʻlgan oʻtkir burchakning kosinusi
2√2
3
ga teng boʻlsa, parallelogrammning yuzini toping.
A) 5 B) 10 C) 15 D) 20
81.
Aylananing O markazidan MN vatarigacha OD
perpendikulyar tushirilgan.
DN masofa
5
2
ga teng,
radiusi esa 5 ga teng boʻlsa, MN ajratgan segment
yuzini toping.
A)
25(𝜋 −
√3
4
)
B)
15
2
(
𝜋
3
−
√3
2
)
C)
√3𝜋
5
−
√2
2
D)
25
2
(
𝜋
3
−
√3
2
)
82.
Agar
𝑎⃗(3; 𝑥; 5)
va
𝑏⃗⃗(2𝑥; −3; 6)
vektorlar oʻzaro
perpendikulyar boʻlsa,
3𝑥 + 5
ifodaning qiymatini
toping.
A) – 20 B) – 25 C) 25 D) 30
83.
ABCDE muntazam toʻrtburchakli piramidada
asosidagi ikki yoqli burchakning sinusi
4
5
ga teng. Shu
piramidaning
apofemasi 15 ga teng boʻlsa,
piramidaning hajmini toping.
A) 1480 B) 1530 C) 1690 D) 1296
84.
Radiusi 6 ga,
markaziy burchagi
120
0
ga teng
sektordan konus yasalgan. Konusning hajmini toping.
A)
16√2𝜋
3
B)
8√3𝜋
C)
15√2𝜋
4
D)
16√2𝜋
85.
Shar muntazam toʻrtburchakli piramidaga ichki
chizilgan.
Piramidaning
asosidagi
ikki
yoqli
burchagining kosinusi
1
3
ga teng. Piramidaning
asosining perimetri 16 ga teng boʻlsa, unga ichki
chizilgan sharning radiusini toping.
A)
3√5
B) 6 C)
√2
D)
8√7
86.
Hisoblang.
𝑐𝑜𝑠5
0
∙ 𝑐𝑜𝑠55
0
∙ 𝑐𝑜𝑠65
0
A)
√6+√2
16
B)
√6−√2
16
C)
√2+1
8
D)
√2
2
87.
Agar
𝐴(1; −2)
nuqta
𝑦 = 𝑥
2
+ 𝑝𝑥 + 𝑞
parabolaning uchi, p va q ning qiymatini toping.
A)
𝑝 = 2, 𝑞 = −1
B)
𝑝 = 4, 𝑞 = 2
C)
𝑝 = 𝑞 = −2
D)
𝑝 = −2, 𝑞 = −1
88.
Quyidagilardan qaysi biri XZ tekisligiga nisbatan
K(2;4;-5) nuqtaga nisbatan simmetrik bo`lgan nuqta?
A) (-2;4;5) B) (2;-4;5)
C) (2;-4;-5) D) (-2;-4;5)
89.
Tengsizlikni yeching.
𝑙𝑜𝑔
2
𝑙𝑜𝑔
1
3
𝑙𝑜𝑔
5
𝑥 > 0
A)
(0; ∞)
B)
(−∞; √5
3
)
C)
(−∞; 0) ∪ ( √5
3
; ∞)
D)
(1; √5
3
)
90.
Radiusi 2 ga teng bo`lgan yarim shar
balandligining o`rtasidan
yarim sharning asosiga
parallel tekislik o`tkazilgan. Hosil bo`lgan shar
qatlamining hajmini toping.
A)
10𝜋
3
B)
11𝜋
3
C)
4𝜋
D)
3𝜋