ÔN TẬP ĐẠI 8 B1-B8

ÔN TẬP ĐẠI 8 B1-B8

8th - 9th Grade

10 Qs

quiz-placeholder

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ÔN TẬP ĐẠI 8 B1-B8

ÔN TẬP ĐẠI 8 B1-B8

Assessment

Quiz

Mathematics

8th - 9th Grade

Hard

Created by

dendro lan

Used 12+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kết quả của phép nhân x(x + 1) là

2x + 1

x2 + x

x2 + 1

x + 1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(2x+3)(x-2) =

2x27x62x^2-7x-6

2x2x+62x^2-x+6

2x2x62x^2-x-6

2x2+7x+62x^2+7x+6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (x+5)2=\left(x+5\right)^2=  

 x2+5x+10x^2+5x+10  

 x2+10x+10x^2+10x+10  

 x2+5x+25x^2+5x+25  

 x2+10x+25x^2+10x+25  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tìm x, biết   x34x=0x^3-4x=0  . Ta được:

  x=0 hoặc x=4

x=0 hoặc x=2 

x=0 hoặc x=4 hoặc x=-4

x=0 hoặc x=2 hoặc x=-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Pha^n tıˊch đa thc 2x4+6x38x2 thaˋnh nha^n tPhân\ tích\ đa\ thức\ 2x^4+6x^3-8x^2\ thành\ nhân\ tử  


 2x2(x2+3x4)2x^2\left(x^2+3x-4\right)  

 2x2(x2+4x6)2x^2\left(x^2+4x-6\right)  

 2x2(x2+3x6)2x^2\left(x^2+3x-6\right)  

 2x2(x2+4x4)2x^2\left(x^2+4x-4\right)  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Gıˊa tr ca biu thc x39x2+27x27 ti x =2 laˋGía\ trị\ của\ biểu\ thức\ x^3-9x^2+27x-27\ tại\ x\ =2\ là  


1

0

-1

-3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Pha^n tıˊch đa thc x22xy+y29 thaˋnh nha^n tPhân\ tích\ đa\ thức\ x^2-2xy+y^2-9\ thành\ nhân\ tử  

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

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

(x+y-9)(x+y+9)

(x-y-9)x-y+9)

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