Manakah sistem persamaan yang memiliki solusi x = 2 dan y = -1

Kelompok_5

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Education
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University
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Hard
Weni Matematika
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
2x + 3y = 1 dan x − 2y = 4
x + 5y = -3 dan 3x − y = 5
3x + y = 5 dan 4x − y = 9
4x − 2y = 10 dan x + y = 1
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Diketahui sistem persamaan berikut :
A. 3x + y = 5 dan 2x − y = 7
B. 4x − 2y = 10 dan x + y = 1
C. 2x + 3y = 1 dan x − 2y = 4
D. x + 5y = -3 dan 3x − y = 5
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Pilihlah sistem persamaan yang memiliki solusi x = 2 dan y = -1
x + 5y = -3 dan 2x − 3y = 7
3x + y = 5 dan 4x − y = 9
2x + 3y = 1 dan x − 2y = 4
5x − y = 7 dan x + 2y = 3
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Berapakah nilai x dari persamaan
4 ( x − 3 ) + 2 ( x + 1 ) = -6
x = -2
x = 2
x = -3
x = 3
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Diketahui persamaan 5/2 ( x + 4 ) − 3 = 7 berapakah nilai x dari persamaan tersebut
x = -2
x = 2
x = -4
x = 4
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Berapakah nilai x dari persamaan
6 ( x + 5 ) − 4 ( x − 1 ) = 18
x = 2
x = -2
x = -3
x = 3
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Dua lingkaran memiliki jari-jari masing-masing 11 cm dan 8 cm. Jika jarak antara kedua titik pusat lingkaran adalah 13 cm, tentukan panjang garis singgung persekutuan dalam kedua lingkaran tersebut!
12 cm
11 cm
10 cm
9 cm
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