
SUMATIF X
Authored by Desita Asra
Mathematics
9th - 12th Grade
Used 4+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
1. Sebuah kotak berisi 58 karcis yang berwarna merah, kuning dan hijau. Dua kali karcis merah ditambah karcis kuning kemudian dikurangi dua kali karcis hijau sama dengan 30. Karcis merah dikurangi dua kali karcis kuning dan ditambah tiga kali karcis hijau sama degan 52. SPLTV dari soal ini adalah sebagai berikut..
𝑥 + 𝑦 + 𝑧 = 58;
2𝑥 + 𝑦 – 2𝑧 = 30;
𝑥 – 2𝑦 + 3𝑧 = 52
B. 𝑥 + 𝑦 + 𝑧 = 52; 2𝑥 + 2𝑦 – 2𝑧 = 30; 𝑥 – 2𝑦 + 3𝑧 = 58
C. 𝑥 + 𝑦 + 𝑧 = 58; 2𝑥 + 2𝑦 – 2𝑧 = 52; 𝑥 +2𝑦 + 3𝑧 = 30
D. 𝑥 + 𝑦 + 𝑧 = 52; 2𝑥 +2𝑦 +2𝑧 = 58; 𝑥 – 2𝑦 + 3𝑧 = 30
E. 𝑥 + 𝑦 + 𝑧 = 58; 2𝑥 + 2𝑦 – 3𝑧 = 30; 𝑥 – 2𝑦 + 2𝑧 = 52
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2.Ali, Badrun ,Cantika dan Dimas membeli alat tulis di toko yang sama. Ali membeli 3 bukutulis, 2 pensildan 3 bolpoindia harus membayar sehargaRp. 15.700, danBadrun membeli2 bukutulisdan 3 pensildengan hargaRp. 9.200 sedangkanCantika membeli 4 pensildan 3 bolpoindia harus membayar Rp. 11.000. Jika dimisalkan harga 1 Buku tulis = x, 1 Pensil = y dan1 Bolpoin = z”
Model matematika yang sesuai dengan pernyataan di atas adalah :
3X+2Y+3Z=15.700
2X+3Y=9200
4Y+3Z=11.000
2X+2Y+3Z=15.700
2Y+3Z=9200
4X+3Z=11.000
3X+3Y+3Z=15.700
2X+3Y=9200
4Y+3Z=11.00
3X+2Y+3Z=15.700
2X+2Y=9200
4X+3Z=11.000
3X+2Y+2Z=15.700
2X+3Y=9200
4X+3Z=11.000
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Untuk setiap model matematika berikut ,tentukan yang merupakan sistem persamaan linear
A.5X-3Y=10
Y=X2 -5X+6
B.3X-5Y+Z=10
X2 +Y2+Z2= 8
5X-3Y+2Z=20
3X+4Y-Z=15
2X-5Y-3Z=10
5X-3Y+2Z=200
3X+4Y-1/Z=150
2X-5Y-3Z=100
5/X-3Y+2Z=20
3X+4Y-Z=15
2X-5Y-3/Z=10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rizki mempunyai pita hias berwarna merah, ungu dan kuning. Jumlah panjang ketiga pita hias tersebut 275 cm. Panjang pita ungu 5 cm kurang dari panjang pita kuning. Panjang pita kuning 20cm lebih dari panjang pita merah. .
MODEL MATEMATIKA NYA ADALAH...
a+b+c=265
b=c+5
c=a+20
a+b+c=265
b=c+5
c=a+20
a+b+c=275
b=c+5
c=a+20
a+b+c=275
b=c-5
c=a+20
a+b+c=265
b=c-5
c=a+20
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Daerah yang diarsir pada gambar berikut merupakan himpunan penyelesaian sistem pertidaksamaan
A. x≥0, 6x+y=12,5x+4y≥20
B. x≥0, 6x+y,≤12,5x+4y≥20
C. x≥0, 6x+y≥12,5x+4y≥20
D. x≥0, 6x+y=12,5x+4y≤20
E. x≥0, 6x+y=12,5x+4y=20
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Suatu pabrik roti memproduksi paling sedikit 120 kaleng roti setiap hari. Roti terdiri dari dua jenis, roti asin dan roti manis. Setiap hari roti asin diproduksi paling sedikit 30 kaleng dan roti manis 50 kaleng. Misalkan roti asin sebanyak x kaleng dan roti manis y kaleng. Model matematika dari masalah di atas adalah . . . .
X+Y≤120
X≥30
Y≥50
X≥0
Y≥0
X+Y≥120
X≥30
Y≥50
X≥0
Y≥0
X+Y≥120
X≥30
Y≥50
X≥0
Y≤0
X+Y≤120
X≤30
Y≥50
X≥0
Y≥0
X+Y≥20
X≥30
Y≤50
X≥0
Y≥0
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
“Ali, Badrun ,Cantika dan Dimas membeli alat tulis di toko yang sama. Ali membeli 3 bukutulis, 2 pensildan 3 bolpoindia harus membayar sehargaRp. 15.700, danBadrun membeli2 bukutulisdan 3 pensildengan hargaRp. 9.200 sedangkanCantika membeli 4 pensildan 3 bolpoindia harus membayar Rp. 11.000. Jika dimisalkan harga 1 Buku tulis = x, 1 Pensil = y dan1 Bolpoin = z”
Harga sebuah buku tulis sesuai dengan cerita di atas adalah :
A.3250
B.3000
C.2500
D.1800
1400
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