พหุนาม(ซ่อม)

พหุนาม(ซ่อม)

8th Grade

15 Qs

quiz-placeholder

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พหุนาม(ซ่อม)

พหุนาม(ซ่อม)

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Tidkin Channel

Used 53+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (7x3yz)+(12x3yz) \left(7x^3yz\right)+\left(-12x^3yz\right)\ คือข้อใดต่อไปนี้  

 20x3yz20x^3yz  

 5x3yz-5x^3yz  

 5x3yz5x^3yz  

 20x3yz-20x^3yz  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 3x2y34x5y7x2y2 \frac{3x^2y^3-4x^5y^7}{x^2y^2}\ คือข้อใดต่อไปนี้  

 3xy4x3y5xy\frac{3xy-4x^3y^5}{xy}  

 3xy4x3y53xy-4x^3y^5  

 3y4x3y5xy\frac{3y-4x^3y^5}{xy}  

 3y4x3y53y-4x^3y^5  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (12x+5y)(4xy) \left(12x+5y\right)\left(4x-y\right)\ คือข้อใดต่อไปนี้  

 48x248xy+5y248x^2-48xy+5y^2  

 48x28xy5y248x^2-8xy-5y^2  

 48x2+8xy5y248x^2+8xy-5y^2  

 48x2+8xy+5y248x^2+8xy+5y^2  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(2x - 3)(x + 2) มีค่าเท่ากับเท่าใด

2x2 + x - 6

2x2 - x + 6

2x2 - x - 6

2x2 + x + 6

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(2x - 1)(x2 - 3x + 5) มีค่าเท่ากับเท่าใด

2x3 - 7x2 + 13x - 5

2x3 - 7x2 - 13x + 5

2x3 - 7x2 + 13x + 5

2x3 - 7x2 - 13x - 5

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(13x2 - 10x + 8) - (11x2 - 9x - 7) ได้ผลลัพธ์ตรงกับข้อใด

2x2 - 19x + 1

2x2 - x + 15

2x2 + x + 1

2x2 - x - 15

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(x2 + 3y4 + 2x) + (2x2 - 4x + 2y4) ได้ผลลัพธ์ตรงกับข้อใด

3x2 + 5y4 + 2x

3x2 + 5y4 - 2x

3x2 + 5y4 - 4x

3x2 + 5y4 - 6x

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