Kuiz perpangkatan dan bentuk akar
Authored by Rezki Adelima
Mathematics
9th Grade
Used 49+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Hasil dari 43 : 45 adalah...
Answer explanation
Gunakan sifat am : an = am-n
43 : 45 = 43-5 = 4-2
Gunakakan sifat a-n = 1/an
maka : 4-2 = 1/42
= 1/4x4
= 1/16
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
b3/7 dinyatakan dalam bentuk akar menjadi...
Answer explanation
Kerjakan dengan sifat am/n
am/n = nakar am
maka b3/7 = 7akar b3
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
-2
-6
2
6
Answer explanation
3-x+2 = 1/81
3-x+2 = 1/34
3-x+2 = 3-4
-x + 2 = -4
-x = -6
x = 6
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Answer explanation
ab =....
(2 akar 3 + akar 5) (3 akar 5 - akar 3)
= 6 akar 15 -2 . 3 + 3.5-akar15
= 6 akar 15 - 6 + 15 - akar 15
= 5 akar 15 + 9
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Answer explanation
ab =....
(2 akar 3 + akar 5) (3 akar 5 - akar 3)
= 6 akar 15 -2 . 3 + 3.5-akar15
= 6 akar 15 - 6 + 15 - akar 15
= 5 akar 15 + 9
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Answer explanation
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Answer explanation
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