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การแยกตัวประกอบของพหุนามโดยใช้สมบัติการแจกแจง

Authored by nutdanai yamek

Mathematics

8th Grade

Used 15+ times

การแยกตัวประกอบของพหุนามโดยใช้สมบัติการแจกแจง
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 16x+6 = ?16x+6\ =\ ?  

 2(8x+3)2\left(8x+3\right)  

 2(8x3)2\left(8x-3\right)  

 4(4x+6)4\left(4x+6\right)  

 8(2x+3)8\left(2x+3\right)  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 5x210x = ?5x^2-10x\ =\ ?  

 5(x2+2x)5\left(x^2+2x\right)  

 5x(x+2)5x\left(x+2\right)  

 5x(x2)5x\left(x-2\right)  

 5(x2x)5\left(x^2-x\right)  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 r3+8r = ?r^3+8r\ =\ ?  

 2r(r2+2)2r\left(r^2+2\right)  

 r(r2+8)r\left(r^2+8\right)  

 r(r28)r\left(r^2-8\right)  

 2r2(r+2)2r^2\left(r+2\right)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 3x2y2+6xy = ?3x^2y^2+6xy\ =\ ?  

 3xy(1+2xy)3xy\left(1+2xy\right)  

 3xy(xy2)3xy\left(xy-2\right)  

 3xy(xy+2)3xy\left(xy+2\right)  

 xy(x2y2+2xy)xy\left(x^2y^2+2xy\right)  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 24ab227a2b3+15a3b4 = ?24ab^2-27a^2b^3+15a^3b^4\ =\ ?  

 3ab(8ab9ab2+5a2b3)3ab\left(8ab-9ab^2+5a^2b^3\right)  

 3ab(8b+9ab25a2b3)3ab\left(8b+9ab^2-5a^2b^3\right)  

 3ab(8b+9ab2+5a2b3)3ab\left(8b+9ab^2+5a^2b^3\right)  

 3ab(8b9ab2+5a2b3)3ab\left(8b-9ab^2+5a^2b^3\right)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 (i+j)k(i+j) = ?\left(i+j\right)k-\left(i+j\right)\ =\ ?  

 ik+jki+jik+jk-i+j  

 ik+jk+ijik+jk+i-j  

 ik+jkijik+jk-i-j  

 ikjkijik-jk-i-j  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 x(y3z)+i(y3z) = ?x\left(y-3z\right)+i\left(y-3z\right)\ =\ ?  

 (xi)(y+3z)\left(x-i\right)\left(y+3z\right)  

 (x+i)(y+3z)\left(x+i\right)\left(y+3z\right)  

 (xi)(y3z)\left(x-i\right)\left(y-3z\right)  

 (x+i)(y3z)\left(x+i\right)\left(y-3z\right)  

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