PH 2 (PERSAMAAN KUADRAT) KELAS IX

PH 2 (PERSAMAAN KUADRAT) KELAS IX

12th Grade

20 Qs

quiz-placeholder

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PH 2 (PERSAMAAN KUADRAT) KELAS IX

PH 2 (PERSAMAAN KUADRAT) KELAS IX

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

CCSS
HSA-REI.B.4B

Standards-aligned

Created by

Laila Qadri

Used 29+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 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

1 min • 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)  

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

3 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  

5.

MULTIPLE CHOICE QUESTION

3 mins • 12 pts

Akar-akar dari persamaan kuadrat  x2+7x+12=0x^2+7x+12=0 adalah ....

 x=1x=-1  atau x=12x=-12  

 x=2x=-2  atau x=6x=-6  

 x=3x=-3  atau x=4x=-4  

 x=3x=3  atau x=4x=4  

Tags

CCSS.HSA-REI.B.4B

6.

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

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jika akar - akar persamaan  x23x10=0x^2-3x-10=0  adalah  x1 dan x2x_{1\ }dan\ x_2  maka  x1+x2 adalahx_1+x_2\ adalah  

7

5

4

3

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