ĐẠI SỐ 9

ĐẠI SỐ 9

9th Grade

12 Qs

quiz-placeholder

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ĐẠI SỐ 9

ĐẠI SỐ 9

Assessment

Quiz

Mathematics

9th Grade

Medium

CCSS
HSN.RN.A.2, HSA.APR.D.6, 8.EE.A.2

Standards-aligned

Created by

Tuan Tan

Used 24+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Phép biến đổi sau đúng hay sai?
A2B=AB, vi B 0\sqrt{A^2B}=\left|A\right|\sqrt{B},\ với\ B\ \ge0

Đúng

Sai

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 AB=A2B, vi B0\left|A\right|\sqrt{B}=\sqrt{A^2B},\ với\ B\ge0  

Phép biến đổi sau đúng hay sai ?

Đúng

Sai 

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Trục căn thức ở mẫu 42x\frac{4}{\sqrt{2}-x}  

 2+x2x2\frac{\sqrt{2}+x}{2-x^2}  

 4(2x)2x2\frac{4\left(\sqrt{2}-x\right)}{2-x^2}  

 42+4xx22-\frac{4\sqrt{2}+4x}{x^2-2}  

 42+x2x2\frac{4\sqrt{2}+x}{2-x^2}  

Tags

CCSS.HSA.APR.D.6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

√(x2 ) = 5 thì x bằng:

5

25 và -25

-5

5 và -5

Tags

CCSS.8.EE.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

x > 4

x < 4

x ≥ 4

x ≤ 4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

3-√7

√7-3

4

-4

Tags

CCSS.HSN.RN.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Media Image
Media Image
Media Image
Media Image

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