รากที่ 2
Quiz
•
Mathematics
•
2nd - 11th Grade
•
Hard
มนัสวี อุตรภาศ
Used 301+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
รากที่สองของ 25 คือ?
5
-5
5 และ -5
ไม่มีคำตอบ
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4 เป็นรากที่สามของจำนวนใด
12
16
2
64
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
รากที่สามของ -27 คือ?
3
-3
3 และ -3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดถูกต้อง
√25 = 5
√25 = -5
√-25 = 5
√-25 = -5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดผิด
หาค่าที่เป็นจำนวนจริงไม่ได้
∛-8 = -2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดถูกต้อง
√9 = 92
√-9 = -32
√9 = -3
√9 = 9½
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดถูกต้อง
(√-3)2 = 3
(∛-3)3 = -3
(∛-4)3 = 4
(∜-3)4 = 3
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