การเเยกตัวประกอบพหุนามดีกรีสอง
Quiz
•
Mathematics
•
7th Grade
•
Hard
Pornpimol Khema
Used 64+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ข้อใดเป็นการแยกตัวประกอบของ 12x2 + 16x
4x(x + 4)
4x(3x + 4)
4x(3x + x)
4(3x2 + 4x)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ข้อใดต่อไปนี้เขียนพหุนามดีกรีสองในรูป ax2 + bx + c ได้ถูกต้อง เมื่อกำหนดให้ a =1, b =–7 และc = 0
-7x + 1
x2 - 7x
x - 7x2 + 0
x2 + 7x+ 0
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ข้อใดแสดงการแยกตัวประกอบของพหุนาม 5a2 + a ได้ถูกต้อง
a2(5)
5(a2 +a)
a(5a + a)
a(5a + 1)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
จงแยกตัวประกอบของ
7X-14
x(7−x)
x(2−x)
7(x-2)
2(x−7)
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
จงแยกตัวประกอบของ
9y2z2 − 6yz
3yz(3yz+2)
3yz(3yz−2)
3yz2(3yz−2)
3y2z(3yz−2)
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
จงแยกตัวประกอบของ
-8-12x
4(−2+3x)
4(−2x−3)
4(−2x−3x)
4(−2−3x)
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
จงแยกตัวประกอบของ
−7x2z3 + 63xz5
7xz3(x−9z2)
7xz3(−x−9z2)
7xz3(x+9z2)
7xz3(−x+9z2)
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