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PERSAMAAN KUADRAT

Authored by Maria Noor Cahaya Budhi

Mathematics

9th Grade

PERSAMAAN KUADRAT
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30 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 12 pts

Bentuk umum persamaan kuadrat adalah ....

a2+bxc=0 , a0a^2+bx-c=0\ ,\ a\ne0

a2+bx+c=0 , a0a^2+bx+c=0\ ,\ a\ne0

a2+bx+c=0 , a=0a^2+bx+c=0\ ,\ a=0

a2bx+c=0 , a=0a^2-bx+c=0\ ,\ a=0

2.

MULTIPLE CHOICE QUESTION

2 mins • 12 pts

Cara menentukan akar persamaan kuadrat ada tiga, kecuali ....

mengalikan dengan sekawannya

memfaktorkan

melengkapi kuadrat sempurna

rumus kuadratik (rumus abc)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nilai a,b, dan c berturut-turut dari persamaan berikut 2x²-5x-12=0 adalah

2, 5 dan 12

2,-5 dan -12

2,-5 dan 12

2,5 dan -12

4.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Persamaan 2x (x + 5)=3x – 4 jika diubah ke bentuk umum persamaan kuadrat adalah…

5.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

x – 2 

x – 3 

x + 3

x + 4

6.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

7.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

31

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29

49

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