7 Hằng Đẳng Thức

7 Hằng Đẳng Thức

8th Grade

20 Qs

quiz-placeholder

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7 Hằng Đẳng Thức

7 Hằng Đẳng Thức

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

Lam Linh

Used 84+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Viết biểu thức về dạng bình phương:

X2+2x+1=

x2-12

(x2+1)2

(x+1)2

(x-1)2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Viết biểu thức về dạng bình phương:

X2-2x+1=

x2-12

(x2+1)2

(x+1)2

(x-1)2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Viết biểu thức về dạng bình phương:

4X2-8x+4=

2x2-22

(4x2+4)2

(2x+2)2

(4x-4)2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phân tích đa thức sau thành nhân tử:

9x2-16y2

(2x-4y)(2x+4y)

(3x+4y)2

(3x-16y)2

(3x-4y)(3x+4y)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phân tích đa thức sau thành nhân tử:
 14x2y4\frac{1}{4}x^2-y^4 

 (12x+y)(12xy)\left(\frac{1}{2}x+y\right)\left(\frac{1}{2}x-y\right)  

 (14xy)2\left(\frac{1}{4}x-y\right)^2  

 (12xy)2\left(\frac{1}{2}x-y\right)^2  

 (12x+y2)(12xy2)\left(\frac{1}{2}x+y^2\right)\left(\frac{1}{2}x-y^2\right)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phân tích đa thức sau thành nhân tử:
 18x3y3\frac{1}{8}x^3-y^3 

 (12xy)(14x2+12xy+y2)\left(\frac{1}{2}x-y\right)\left(\frac{1}{4}x^2+\frac{1}{2}xy+y^2\right)  

 (12xy)(14x2+12xy+y)\left(\frac{1}{2}x-y\right)\left(\frac{1}{4}x^2+\frac{1}{2}xy+y^{ }\right)  

 (12x+y)(14x212xy+y2)\left(\frac{1}{2}x+y\right)\left(\frac{1}{4}x^2-\frac{1}{2}xy+y^2\right)  

 (12x+y2)(12xy2)\left(\frac{1}{2}x+y^2\right)\left(\frac{1}{2}x-y^2\right)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phân tích đa thức sau thành nhân tử:
 27x3+8y327x^3+8y^3 

 (3xy)3\left(3x-y\right)^3  

 (3x+2y)(9x26xy+4y2)\left(3x+2y\right)\left(9x^2-6xy+4y^2\right)  

 (3x2y)(9x2+6xy+4y2)\left(3x-2y\right)\left(9x^2+6xy+4y^2\right)  

 (3x+2y)3\left(3x+2y\right)^3  

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