
Soal Matematika Kelas 9

Quiz
•
Mathematics
•
9th Grade
•
Hard
MOHAMMAD WASA ILINA,S.T.
Used 1+ times
FREE Resource
52 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
(2m²)³=
2m⁵
6m⁵
8m⁶
8m⁵
Answer explanation
To solve (2m²)³, apply the power of a product rule: (a^m)ⁿ = a^(m*n). Thus, (2³)(m²)³ = 8m⁶. The correct answer is 8m⁶.
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
(2m²)³=
2m⁵
6m⁵
8m⁶
8m⁵
Answer explanation
To solve (2m²)³, apply the power of a product rule: (a^m)ⁿ = a^(m*n). Thus, (2³)(m²)³ = 8m⁶. The correct answer is 8m⁶.
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Jika 2x + 8 = 10, maka x = ....
-2
0
1
2
Answer explanation
Untuk menyelesaikan persamaan 2x + 8 = 10, kita kurangi 8 dari kedua sisi, sehingga 2x = 2. Kemudian, bagi kedua sisi dengan 2, sehingga x = 1. Jadi, jawaban yang benar adalah 1.
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Nilai dari 7√3 + √108 – 2√48 adalah.....
4√3
5√3
6√3
7√3
Answer explanation
Kita mulai dengan menyederhanakan setiap suku: √108 = √(36*3) = 6√3 dan √48 = √(16*3) = 4√3. Maka, 7√3 + 6√3 - 2(4√3) = 7√3 + 6√3 - 8√3 = 5√3. Jadi, jawabannya adalah 5√3.
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Bentuk pangkat pecahan dari ∛81 = ....
34/3
33/4
3-4/3
3-12
Answer explanation
∛81 dapat ditulis sebagai 81^(1/3). Karena 81 = 3^4, maka ∛81 = (3^4)^(1/3) = 3^(4/3). Jadi, bentuk pangkat pecahan dari ∛81 adalah 34/3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Hasil dari (–17 × (–20)) – (90:15) adalah....
346
334
-334
-346
Answer explanation
Untuk menghitung (–17 × (–20)) – (90:15), pertama hitung –17 × –20 = 340. Kemudian, 90:15 = 6. Jadi, 340 – 6 = 334. Jawaban yang benar adalah 334.
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Hasil dari 18:√3 adalah....
6√3
8√3 8√3
6/3√3
8/3√3
Answer explanation
Untuk menghitung 18:√3, kita kalikan 18 dengan 1/√3, yang sama dengan 18√3/3. Hasilnya adalah 6√3, yang merupakan pilihan yang benar.
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