
Happy Math - Aljabar 3
Authored by Yessy Napitupuluu
Mathematics
7th Grade
Used 10+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sifat assosiatif dari (2+(-5)) + 3 adalah ...
2 - 5 + 3
2 - (5 + 3)
2 + (-5) + 3
2+((-5) + 3)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x + (-8) = 20, tentukan nilai x, sehingga kalimat matematika tersebut menjadi benar ...
12
28
-12
-28
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
jika a= - 2 dan b = 3 maka nilai dari (2b - a) (a x b) adalah . . .
48
8
-48
-8
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pada Tahun 2023, jumlah anak kelas VII yang menyukai Matematika ialah 5% dari jumlah anak Sekolah. Jika jumlah anak Sekolah tersebut ialah x siswa. Berapa jumlah anak kelas VII yang menyukai Matematika?
(100 - 5)% x
5% : x
5x/100
(100/ 5 )x
5.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Daniella berangkat kerumah kak Yessy. Pertama Daniella naik mobil dengan kecepatan 120 m per menit pada jarak a m. Kemudian, Danilla berjalan kaki dengan kecepatan 15 m per menit pada jarak b m. Manakah pertanyaan berikut yang benar?
i. (120/a ) + (15/b) merupakan aljabar yang menentukan kecepatan total
ii. a + b merupakan aljabar yang menentukan jarak total
iii. (120/a ) + (15/b) merupakan aljabar yang menentukan waktu total
iv. (a/120 ) + (b/15) merupakan aljabar yang menentukan waktu tempuh total
ii dan iv
i dan iii
ii dan iii
semua benar
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
KPK dan FPB dari 45x5y2 dan 50x4y3
450x5y3 dan 5x4y2
500x5y3 dan 15x4y2
450x4y2 dan 5x5y3
500x4y2 dan 15x5y3
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebuah persegi memiliki panjang sisi 2x + 3y, dengan diketahui x = 3 dan y = 5. Tentukan luas dan keliling persegi tersebut! . . . cm²
441
84
21
121
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