
Алгебраические уравнения и функции
Authored by Xolida Sobirova
Mathematics
9th Grade
Used 4+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Парабола uchining koordinatalarini toping. y=x^2-2x
A) (1,-1)
B) (-1;1)
C) (1;1)
D) (-1;-1)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kvadrat tengsizlikni yeching:x^2-4<0
A) (-2;2)
B) (-2;4)
C) (-2;-2)
D) (-4;2)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kvadrat tengsizlikni yeching:(x-2)/(x+5)>=0
A) (-&;-5)u[2;&)
B)(-5;2]
C)(-&;-5]u[2;&)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Agar parabolaning (2;2) nuqta orqali o'tishi va uning uchi (1,1) nuqtada bo'lishi ma'lum bo'lsa, parabolaning tenglamasini toping.
A)y=x^2+2x-2
B) y=x^2-2x-2
C) y=x^2-2x+2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
kvadrat funksiya grafigi parabolaning tarmoqlari yuqoriga yo'nalgan, uning uchining abssissasi manfiy, ordinatasi esa musbat bo'lsa, a , b va c koeffitsiyentlarning ishorasi uchun keltirilgan to'g'ri moslikni toping.
I. a ning ishorasi A. musbat
II. b ning ishorasi B. manfiy
III. c ning ishorasi
I-A; II-A; III-B
I-A; II-B; III-A
I-A; II-A; III-A
I-A; II-B; III-B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kvadrat funksiyaning grafigi rasmda tasvirlangan. Bu kvadrat funksiya uchun quyidagi tasdiqlarning to'g'ri yoki noto'g'ri ekanligini aniqlang.
1.Bu kvadrat funksiyaning eng katta qiymati 5 ga teng
2.Bu kvadrat funksiyaning x=0 dagi qiymati 3 ga teng
3.Bu parabola uchining abssissasi musbat son bo‘ladi
noto'g'ri, to'g'ri, to'g'ri;
to'g'ri, noto'g'ri, noto'g'ri;
to'g'ri, noto'g'ri, to'g'ri;
to'g'ri, to'g'ri, noto'g'ri;
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
kvadrat funksiya grafigi rasmda tasvirlangan. Rasmdan foydalanib, tengsizlik yechimini toping. ax^2+bx+c<0
A)(-2;1)
B) (&;-2)
C) (1;2)
D) (-&;2)u(1;&)
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