Bentuk sederhana dari √80 − √5 + √125 adalah…
USP Matematika Kelas XII.OTKP.1

Quiz
•
Mathematics
•
12th Grade
•
Hard
Yulianti Saputri
Used 1+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
2√5
4√5
6√5
8√5
10√5
2.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Bentuk sederhana dari 12/(√(7) − √5) adalah…
12(√7 + √5)
12(√7 − √5)
6(√7 + √5)
6(√7 − √5)
3(√7 + √5)
3.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Nilai x yang memenuhi ∣2x − 5∣ − 7 = 10 adalah...
x = -11 atau x = -6
x = 6 atau x = 11
x = -6 atau x = -11
x = 6 atau x = -11
x = -6 atau x = 11
4.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Pertidaksamaan (4x − 5)/(x + 2) ≥ 1
x ≤ 2 atau x ≥ 7/3
2 < x ≤ 7/3
x < −7/3 atau x ≥ 2
−2 < x < 2
x ≤ −2 atau x ≤ 7/3
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Sebuah toko buah menjual berbagai jenis buah-buahan, diantaranya mangga, jeruk, dan anggur. Jika pembeli pertama membeli 2kgmangga, 2kg jeruk, dan 1kg anggur dengan harga Rp. 70.000,00, pembeli kedua membeli 1kg mangga, 2kg jeruk, dan 2kg anggur dengan harga Rp.90.000,00 dan pembeli ketiga membeli 2kg mangga 2kg mangga, 2kg jeruk dan 3kg anggur dengan harga Rp.130.000,00. Maka model matematika yang tepat untuk permasalahan tersebut adalah..
2x +2y + z = 70.000; x + 2y + 2z = 90.000; 2x + 2y + 3z = 130.000; x,y,zR
2x +2y + z = 90.000; x + 2y + 2z = 90.000; 2x + 2y + 3z = 130.000; x,y,zR
2x +2y + z = 70.000; x + 2y + 2z = 70.000; 2x + 2y + 3z = 130.000; x,y,zR
2x +2y + z = 90.000; x + 2y + 2z = 70.000; 2x + 2y + 3z = 130.000; x,y,zR
2x +y + z = 70.000; x + 2y + z = 90.000; 2x + 2y + 3z = 130.000; x,y,zR
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Himpunan penyelesaian dari persamaan linear dua variabel dan kuadrat y = 2x + 3 y = x2 - 4x + 8 adalah...
(1, 5), (−5, −13)
(−1, −5), (5, 13)
(1, 5), (−5, 13)
(−1, 5), (5, 13)
(1, 5), (5, 13)
7.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Jika suatu fungsi kuadrat mencapai minimum di titik (3,-2), dan grafiknya melalui titik (1, 6), maka parabola memotong sumbu Y di titik...
(0, 9)
(0, 12)
(0, 16)
(0, 18)
(0, 20)
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