แบบทดสอบระดับกลางเรื่อง

แบบทดสอบระดับกลางเรื่อง

8th Grade

20 Qs

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แบบทดสอบระดับกลางเรื่อง

แบบทดสอบระดับกลางเรื่อง

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

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จารินี อิ่มด้วง

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 1. 9y2+3y1.ข้อใดเป็นตัวประกอบของ\ 9y^2+3y  

(1)3y\left(1\right)3y

(2) 3y+1\left(2\right)\ 3y+1

(3)y(3y+1)\left(3\right)y\left(3y+1\right)

(4)1,23\left(4\right)ถูกทั้งข้อ1,2และ3

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 2. 15x+25y 2.\ -15x+25y\ แยกตัวประกอบได้ตรงกับข้อใด  

(1)5(3x5y)\left(1\right)5\left(3x-5y\right)

(2) 5(3x+5y)\left(2\right)\ 5\left(3x+5y\right)

(3) 5(3x5y)\left(3\right)\ -5\left(3x-5y\right)

(4) 5(3x+5y)\left(4\right)\ -5\left(3x+5y\right)

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 3. 18y28y3.\ -18y^2-8y  

 (1) 2y(9y+4)\left(1\right)\ -2y\left(9y+4\right)  

 (2)2y(9y4)\left(2\right)-2y\left(9y-4\right)  

 (3)2y(9y+4)\left(3\right)2y\left(9y+4\right)  

 (4) 2y(9y4)\left(4\right)\ 2y\left(9y-4\right)  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 4. 8y2+14y 4.\ 8y^2+14y\ แยกตัวประกอบได้ตรงกับข้อใด  

 (1) 2y(y+7)\left(1\right)\ 2y\left(y+7\right)  

 (2) 2y(4y+7)\left(2\right)\ 2y\left(4y+7\right)  

 (3) 2y(4y+y)\left(3\right)\ 2y\left(4y+y\right)  

 (4) 2(2y2+7y)\left(4\right)\ 2\left(2y^2+7y\right)  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 5. 4y216y 5.\ 4y^2-16y\ แยกตัวประกอบได้ตรงกับข้อใด  

 (1) 4(y2+4y)\left(1\right)\ 4\left(y^2+4y\right)  

 (2) 4y(y+4)\left(2\right)\ 4y\left(y+4\right)  

 (3) y(4y4)\left(3\right)\ y\left(4y-4\right)  

 (4) 4y(4y4)\left(4\right)\ 4y\left(4y-4\right)  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 6. x2+8x+15 6.\ x^2+8x+15\ แยกตัวประกอบได้ตรงกับข้อใด  

 (1) (x+5)(x+3)\left(1\right)\ \left(x+5\right)\left(x+3\right)  

 (2) (x+15)(x+1)\left(2\right)\ \left(x+15\right)\left(x+1\right)  

 (3) (x5)(x3)\left(3\right)\ \left(x-5\right)\left(x-3\right)  

 (4) (x15)(x1)\left(4\right)\ \left(x-15\right)\left(x-1\right)  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 7. x26x+9 7.\ x^2-6x+9\ แยกตัวประกอบได้ตรงกับข้อใด  

 (1) (x3)(x2)\left(1\right)\ \left(x-3\right)\left(x-2\right)  

 (2) (x3)(x3)\left(2\right)\ \left(x-3\right)\left(x-3\right)  

 (3)(x9)(x1)\left(3\right)\left(x-9\right)\left(x-1\right)  

 (4) (x3)(x+3)\left(4\right)\ \left(x-3\right)\left(x+3\right)  

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