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พหุนาม

Authored by tungmemelada pakkred

Mathematics

7th Grade

การหารพหุนาม covered

Used 66+ times

พหุนาม
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(x4 - 9x2 + 6x + 7) - (x3 + 4x2 -5x - 2) มีค่าเท่ากับเท่าใด

x4 - x3 -13x2 - 11x - 9

x4 + x3 -13x2 - 11x + 9

x4 - x3 +13x2 + 11x + 9

x4 - x3 -13x2 + 11x + 9

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(2a4 + 5a3 + a2 - 3a - 1) - (a4 + 3a3 + 6a2 - 2) มีค่าเท่ากับเท่าใด

a4 + 2a3 - 5a2 - 3a + 1

a4 - 2a3 - 5a2 - 3a + 1

a4 + 2a3 + 5a2 + 3a + 1

a4 - 2a3 - 5a2 - 3a - 1

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(2xy + 5yz - 4x) + (2x - 4xy - 6yz) + (6yz + 4x - 4xy) ได้ผลลัพธ์ตรงกับข้อใด

-6xy + 5yz + 2x

-6xy - 5yz + 2x

-6xy + 17yz + 6x

-6xy + 11yz + 2x

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

x - (2x + 3 - x) ได้ผลลัพธ์ตรงกับข้อใด

4x - 3

3

-3

4x + 3

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

x2 - (2x + 1) ได้ผลลัพธ์ตรงกับข้อใด

x2 + 2x + 1

x2 + 2x - 1

x2 - 2x + 1

x2 - 2x - 1

6.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

จงบอกดีกรีของพหุนาม  9x5y4+2x3y59x^5y^4+2x^3y^5  

(a)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

จงหาผลคูณ
 (−4x2)(8x2+5x−6)\left(-4x^2\right)\left(8x^2+5x-6\right)  

 −12x2−9x−6-12x^2-9x-6  

 −32x4−20x3+24x2-32x^4-20x^3+24x^2  

 −32x4−9x3+10x2-32x^4-9x^3+10x^2  

 4x2+x+104x^2+x+10  

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