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Алгебраические уравнения и функции

Authored by Xolida Sobirova

Mathematics

9th Grade

Used 4+ times

Алгебраические уравнения и функции
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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

Media Image

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

Media Image

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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