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Persamaan dan Fungsi Kuadrat

Authored by Aisyah Al Adiibah

Mathematics

8th Grade

Persamaan dan Fungsi Kuadrat
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5 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 20 pts

Akar-akar persamaan kuadrat 5x2 - 3x + 1 = 0 adalah ...

Imajiner

Kompleks

Nyata, rasional, dan sama

Nyata dan rasional

2.

MULTIPLE CHOICE QUESTION

1 min • 20 pts

Hasil kali akar-akar persamaan kuadrat 6x2 - 2x + 3 = 0 adalah ...

3

2

1/2

-2

3.

MULTIPLE CHOICE QUESTION

2 mins • 20 pts

Nilai minimum fungsi f(x) = x2 - 5x + 4 adalah ...

-9/4

9/4

5/2

-5/2

4.

MULTIPLE CHOICE QUESTION

5 mins • 20 pts

Akar-akar persamaan kuadrat 2x2 - 13x + 15 = 0 adalah ...

3/2 dan 6

3/2 dan 5

1 dan 6

2 dan 3

5.

MULTIPLE CHOICE QUESTION

10 mins • 20 pts

Akar-akar persaman kuadrat x2 - 3x -2 = 0 adalah x1 dan x2. Persamaan kuadrat dengan akar-akar (x1 + 2) dan (x2 + 2) adalah

x2 + 2x + 7 = 0

x2 - 2x - 7 = 0

x2 - 2x - 5 = 0

x2 - 7x + 8 = 0

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