
การแยกตัวประกอบที่มีดีกรีสูงกว่า 2
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
NINLAWAN NINLAYAKANON
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
ข้อใดเป็นการแยกตัวประกอบของx3–1
(x +1)(x2– x + 1)
(x – 1)(x2 + x + 1)
x2– 2x + 1
x2 + 2x – 1
2.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
ข้อใดเป็นการแยกตัวประกอบของ8x3+y3
(2x +y)(4x2– 2xy + y2)
(2x – y)(x2 + 2xy + y2)
4x2–16xy + y2
4x2 + 16xy– y2
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
ข้อใดแยกตัวประกอบได้ถูกต้อง
x3 – 125 = (x – 5)(x2 + 5x – 15)
x3 + 64 = (x –4)(x2–4x + 16)
x3 + 27 = (x +3)(x2– 3x + 9)
x3 – 216 = (x – 6)(x2 + 12x + 36)
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
ข้อใดเป็นการแยกตัวประกอบของx3+1,000
(x +10)(x2–10x + 100)
(x – 100)(x2 + 10x – 1,000)
(x +100)(x2–10x – 1,000)
(x – 10)(x2+10x + 100)
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
พหุนามในข้อใดสามารถแยกตัวประกอบได้เป็น
(3 +8x)(9 – 24x + 64x2)
9 – 128x3
27 + 512x3
9 + 128x3
27 – 512x3
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
ข้อใดเป็นการแยกตัวประกอบของ(3x + 1)3 – (x + 2)3
(x +1)(6x2–17x –6)
(2x – 1)(13x2 + 17x + 7)
(2x – 2)(6x2–5x + 7)
(x +2)(13x2–5x + 6)
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
ข้อใดเป็นการแยกตัวประกอบของx4 – 16
(x2+4)(x + 2)(x – 2)
(x2+2)(x2–2x + 4)
(x2– 4)(x + 2)(x – 2)
(x2– 2)(x2 + 2x + 4)
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