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persamaan kuadrat kelas 9 Albany

Authored by Soal Quiziz

Mathematics

9th Grade

CCSS covered

Used 58+ times

persamaan kuadrat kelas 9 Albany
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Bentuk umum persamaan kuadrat adalah ... .


ax2+bx+c=0, a0ax^2+bx+c=0,\ a\ne0

ax2bx+c=0, a=0ax^2-bx+c=0,\ a=0

ax2bx+c=0, a0ax^2-bx+c=0,\ a\ne0

ax2+bx+c=0, a=0ax^2+bx+c=0,\ a=0

2.

MULTIPLE CHOICE QUESTION

1 min • 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

3.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

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

mengalikan dengan sekawannya

memfaktorkan

melengkapi kuadrat sempurna

rumus kuadratik (rumus abc)

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Perhatikan pernyataan berikut.

(i) 4x2 – 9 = (2x + 3)(2x – 3 )

(ii) 2x2 + x – 3 = (2x – 3)(x + 1)

(iii) x2 + x – 6 = (x + 3)(x – 2)

(iv) x2 + 4x – 5 = (x – 5)(x + 1)

Pernyataan yang benar adalah …

(i) dan (ii)

(i) dan (iii)

(ii) dan (iii)

(ii) dan (iv)

5.

MULTIPLE CHOICE QUESTION

2 mins • 12 pts

Faktor dari x2+5xx^2+5x adalah .... 

 x(x5)x\left(x-5\right) 

 x(x2+5)x\left(x^2+5\right)  

 x(x+5)x\left(x+5\right)  

 x(x+5x)x\left(x+5x\right)  

6.

MULTIPLE CHOICE QUESTION

2 mins • 12 pts

Faktor dari  x2+5x+6=0x^2+5x+6=0  adalah ....

 (x+2)(x3)=0\left(x+2\right)\left(x-3\right)=0  

 (x2)(x+3)=0\left(x-2\right)\left(x+3\right)=0  

 (x2)(x3)=0\left(x-2\right)\left(x-3\right)=0  

 (x+2)(x+3)=0\left(x+2\right)\left(x+3\right)=0  

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Faktor dari  x2+x6=0x^2+x-6=0  adalah ....

 (x+2)(x3)=0\left(x+2\right)\left(x-3\right)=0  

 (x2)(x+3)=0\left(x-2\right)\left(x+3\right)=0  

 (x2)(x3)=0\left(x-2\right)\left(x-3\right)=0  

 (x+2)(x+3)=0\left(x+2\right)\left(x+3\right)=0  

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