Jizzax shahar “IQRO-IDEAL Study” o’quv markazi: Farrux Odilov
7
№34
Tenglamani yeching:
1) x(x-4)+x-4=0 2) t(t+7)-4t-28=0.
Quyidagi mashqlarda ikkihadning kvadratini ko‘phad shaklida tasvirlang
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Ifodani soddalashtiring
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Tenglamani yeching
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Ifodaning qiymatini toping:
Jizzax shahar “IQRO-IDEAL Study” o’quv markazi: Farrux Odilov
8
Ko‘paytirishni bajaring:
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№45
Qisqa ko‘paytirish formulalaridan foydalanib hisoblang:
1) 48×52= 2) 68×72= 3) 43×37= 4) 47×53=
№46
Ifodaning qiymatini toping:
№47
Tenglamani yeching:
Jizzax shahar “IQRO-IDEAL Study” o’quv markazi: Farrux Odilov
13
№72
Nuqtalarni yasang:
1) A (3; 4), B (2; -5), C (-2; 5), E (-6; -2), F (3; -0,5), K (3; 0),
2) A (-1,5; 2,5), B (-2,5; 1,5), F (2; -2), M (0; 2,5), N (-3,5; 3,5), M (0; 1,5),
№73
Quyidagi nuqtalardan o`tuvchi to`g`ri chiziqni yasang:
1) A (3; -2) va B (-2; 2); 2) M (2; 0) va N (0; -2).
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Oxirlarining koordinatalari: 1) A (3; 4), B (-6; 5); 2) M (0; -5), N (4; 0)
bo`lgan kesmani yasang.
№75
Uchlarining koordinatalari: 1) K (-2; 2), M (3; 2), N (-1; 0);
2) A (0; -1), B (0; 5), C (4; 0) bo`lgan uchburchakni yasang.
№76
Uchlarining koordinatalari: A (-2; 0), B (-2; 3), C (0; 3), O (0; 0) bo`lgan to`g`ri
to`rtburchakni yasang.
№77
Kvadratning uchta uchi berilgan: A (1; 2), B (4; 2), C (4; 5). ABCD kvadratni
yasang. D uchining koordinatalarini toping.
№78
A (5; 4), B (2; -1), C (-3; 2), D (- 4; - 4) nuqtalarga Ox o`qiga nisbatan simmetrik
bo`lgan nuqtalarni yasang va ularning koordinatalarini aniqlang.
№79
A (2; - 2), B (1; 1), C (-3; 2), nuqtalarga Oy o`qiga nisbatan simmetrik bo`lgan
nuqtalarni yasang va ularning koordinatalarini aniqlang.
№80
A (4; - 3), B (-1; 2), C (3; -2), nuqtalarga koordinatalar boshiga nisbatan
simmetrik bo`lgan nuqtalarni yasang va ularning koordinatalarini aniqlang.
№81
Nuqta qaysi chorakda yotadi
1) M(4, 3) 4) C(-1, 5) 7) A (0; -1),
2) B (0; 5) 5) C(-1, -3) 8) A(- 4, 3)
3) A(-4, -3,5) 6) C(1, -3) 9) C (4; 0)
№82
x ning qiymati - 2; - 1; 0; 2 ga teng bo`lganda:
1) y = 3x; 2) y = - 2x; 3) y = - x - 3; 4) y = 20x + 4 funksiyaning qiymatini hisoblang.
№83
Funksiya formula bilan berilgan:
( )
( )
1) P(3), P(-12), P(2,1) ni toping.
2) agar P(x) = 15, P(x) = 2,4, P(x) = - 9 bo`lsa, x ning qiymatini toping.
№84
Funksiya y(x) = 2x + 5 formula bilan berilgan.
Jizzax shahar “IQRO-IDEAL Study” o’quv markazi: Farrux Odilov
14
№85
a)
Quyidagi nuqtalardan qaysi biri y = -3x+4 funksiya grafigiga tegishli:
A (3; 4), B (-6; 4); C(3; -5)
b)
Quyidagi nuqtalardan qaysi biri y = 3x+4 funksiya grafigiga tegishli:
P (-5; 2), Q (2; 7) A(1; 7)
c)
Quyidagi nuqtalardan qaysilari y = 2x-5 funksiya grafigiga tegishli:
P (2; -1), Q (2; 7) A(5; 5) B(4; 3)
d)
Q (2; -3) nuqtadan o`tuvchi funksiyani toping:
a) y = -3x+4 b) y =x
2
- 7 c) y = 2x+4
e)
N (2; 0) nuqtadan o`tuvchi funksiyalarni toping:
a) y = -3x+4 b) y =x
2
+ 4 c) y = 3x – 6 d) y = 3x
2
+2
№86
Funksiyaning grafigini yasang:
1) y = 3x; 2) y = 5x; 3) y = - 4x; 4) y = - 0,8x.
5) y = 1,5x; 6) y = -2,5x; 7) y = - 0,2x; 8) y = 0,4x.
№87
Funksiyaning grafigini uning koordinata o`qlari bilan kesishish nuqtalarini
topib, yasang:
1) y = 2x + 2; 2) y = 4x + 8; 3) y = – 3x + 6;
4) y = 2,5x + 5; 5) y = – 6x – 2
№88
y = kx + 2 funksiyaning grafigi: P ( –7 ; –12); nuqtadan o`tishi ma`lum bo`lsa,
k ning qiymatini toping.
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Agar y = kx + 1 funksiya grafigiga: M (2; -7) nuqta tegishli ekanligi ma'lum
bo`lsa, shu funksiyaning grafigini yasang.
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Tanlash yo‘li bilan tenglamalar sistemasining ikkitadan yechimini toping:
Tenglamalar sistemasini o’rniga qo’yish usuli bilan yeching
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