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Ulangan Harian

Authored by Kholifatun Nisa28

Mathematics

8th Grade

Ulangan Harian
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Selesaikan sistem persamaan berikut: 2x + 3y = 12 dan x - y = 1.

(3, 2)

(2, 4)

(1, 3)

(4, 1)

2.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Gunakan metode substitusi untuk menyelesaikan: x + 2y = 10 dan 3x - y = 5.

x = 20/7, y = 25/7

x = 10, y = 0

x = 3, y = 3.5

x = 5, y = 2.5

3.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Tentukan solusi dari sistem persamaan: 4x + y = 20 dan 2x - 3y = -6.

(x, y) = (10, 0)

(x, y) = (0, 20)

(x, y) = (27/7, 32/7)

(x, y) = (5, 10)

4.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Selesaikan dengan metode eliminasi: 5x + 2y = 15 dan 3x + 4y = 18.

x = 3, y = 4

x = 1, y = 5

x = 0, y = 7

x = 12/7, y = 45/14

5.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Analisis solusi dari sistem persamaan: x + y = 7 dan x - y = 1.

(4, 3)

(3, 4)

(6, 1)

(5, 2)

6.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Terapkan konsep variabel untuk menyelesaikan: 3a + 4b = 24 dan 2a - b = 2.

a = 0, b = 24

a = 32/11, b = 42/11

a = 5, b = 3

a = 10, b = 4

7.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Gunakan metode substitusi untuk sistem: 2x + y = 8 dan x - 2y = -4.

(0, 8)

(2, 4)

(4, 0)

(12/5, 16/5)

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