การแยกตัวประกอบของพหุนามที่อยู่ในรูปผลบวกของกำลังสาม
Authored by ฐิติมาภรณ์ นันตะวัน
Mathematics
8th Grade
Used 2+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
x3 + 23
(x - 2)(x2 – 2x + 4)
(x + 2)(x2 – 2x + 4)
(x - 2)(x2 +2x + 4)
(x + 2)(x2 + 2x + 4)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(2x)3 + 33
(2x + 3)(4x2 − 6x + 9)
(2x + 3)(4x2 − 9x + 6)
(3x + 2)(4x2 − 6x + 9)
(3x + 2)(4x2 − 9x + 6)
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
x3 + y3
(x + y)(x2 – xy + y2 )
(x + y)(x2 + xy - y2 )
(x + y)(x2 + xy + y2 )
(x + y)(x2 – xy - y2 )
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
x3 + 1
(x + 1)(x2 + x - 1)
(x + 1)(x2 + x + 1)
(x + 1)(x2 – x - 1)
(x + 1)(x2 – x + 1)
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
x3 + 343
(x + 7)(x2 – 7x - 49)
(x + 7)(x2 – 7x + 7)
(x + 7)(x2 – 7x + 49)
(x + 7)(x2 – 49x + 7)
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
27x3 + 64
(4x + 3)(9x2 – 12x + 16)
(3x + 4)(9x2 – 12x + 16)
(4x + 3)(9x2 – 16x + 12)
(3x + 4)(9x2 – 16x + 12)
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
27x3 + 125
(5x + 3)(9x2 – 25x + 15)
(5x + 3)(9x2 – 15x + 25)
(3x + 5)(9x2 – 25x + 15)
(3x + 5)(9x2 – 15x + 25)
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