Câu hỏi về phương trình bậc nhất

Câu hỏi về phương trình bậc nhất

9th Grade

11 Qs

quiz-placeholder

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Câu hỏi về phương trình bậc nhất

Câu hỏi về phương trình bậc nhất

Assessment

Quiz

Social Studies

9th Grade

Hard

Created by

Thoa Nguyen

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nhn bit: Phng tr`ınh bc nht hai n c ́o dng n`ao?

ax+by=c

ax^2+by^2=c

ax+b=c

x^2+y^2=c

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nhn bit: Trong phng tr`ınh 2x+ 3y= 6, h s ca binxl`a g`ı?

2

3

6

1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Thˆong hiu: Gii phng tr`ınh 3x−4y= 12 khix= 2.

y= 0

y=−3

y= 3

y=−2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Thˆong hiu: Trong h phng tr`ınh sau, s lng nghim l`a bao nhiˆeu?

Khˆong c ́o nghim

Mt nghim

Vˆo s nghim

Hai nghim

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vn dng: T`ım gi ́a tr caxtrong phng tr`ınh 5x+ 2y= 20 khiy= 4.

x= 2

x= 4

x= 6

x= 8

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vn dng: H phng tr`ınh n`ao sau ˆay c ́o vˆo s nghim?

(x+ 2y= 3, 2x+ 4y= 6)

(x+ 2y= 3, 2x+ 4y= 7)

(2x−y= 5, x+y= 6)

(x−y= 3, 2x+y= 5)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vn dng cao: T`ımav`abh phng tr`ınh sau c ́o vˆo s nghim.

a= 2,b= 4

a= 4,b= 2

a= 4,b= 4

a= 2,b= 2

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