
การแยกตัวประกอบพหุนามดีกรีสอง

Quiz
•
Mathematics
•
8th Grade
•
Hard

ณัฐกร อำพันทอง
Used 3+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
จงแยกตัวประบกอบของพหุนาม 15x²y⁴ - 5x³y²
5(3x⁵y⁶ - x⁵y⁶)
5x²y²(3x²y⁴ - x³y²)
5x²y²(3y² - x)
5xy(3y² - x)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
จงแยกตัวประกอบของพหุนาม 18x³y⁵z³ + 6xy⁷z⁴ - 15x⁴y³z⁵
xy³z³(18x²y² + 6y⁴z - 15x³z²)
3xy³z³(6x²y² + 2y⁴z - 5x³z²)
6xy³z³(3x²y² + y⁴z -15x³z²
6xy³z³( 3x²y² + y⁴z - 5x³z²)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
จงแยกตัวประกอบพหุนาม 10x + 4
2x(5x + 2)
10x -4
2(5x + 2)
5(x + 4)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ข้อใดคือการแยกตัวประกอบของ x² - 9x
x(x - 9)
x(x - 9x)
x²(x - 9)
x²(x - 9x)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ขอใดคือแยกตัวประกอบของ -12x² - 18x
6x(2x - 3)
6x(-2x + 3)
-6x(2x - 3)
-6x(2x +3)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ข้อใดถูกต้อง
x² + 3x - 4 = (x-4)(x+1)
x² - x - 20 = (x+5)(x-4)
x² + 5x + 4 = (x+2)(x+2)
x² + 5x + 6 =(x+3)(x+2)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ข้อใดคือการแยกตัวประกอบของ x² + 3x - 18
(x-9)(x+2)
(x+18)(x-1)
(x+6)(x-3)
(x-6)(x+3)
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