Persamaan Kuadrat

Persamaan Kuadrat

9th Grade

15 Qs

quiz-placeholder

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Persamaan Kuadrat

Persamaan Kuadrat

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

Margareta Rosita

Used 49+ times

FREE Resource

15 questions

Show all answers

1.

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

2, -5, 12 dan 0

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Persamaan kuadrat yang akar-akarnya 5 dan 2 adalah…

x2+ 7x+10 =0

x2 -7x+10 =0

x2+3x+10 =0

x2+ 7x-10 =0

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bentuk umum persamaan kuadrat adalah ....

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

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

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

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

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Akar-akar persamaan kuadrat 2x2 + 9x + 4 = 0 adalah ...

x1 = 4 atau x2 = 1/2

x1 = 4 atau x2 = -1/2

x1 = -4 atau x2 = 1/2

x1 = -4 atau x2 = -1/2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Akar-akar dari persamaan kuadrat  x2+2x15=0x^2+2x-15=0 adalah ....

 x=3x=3  atau x=5x=5  

 x=3x=-3  atau x=5x=-5  

 x=3x=3  atau x=5x=-5  

 x=3x=-3  atau x=5x=5  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Persamaan kuadrat adalah persamaan dengan pangkat tertinggi dari variabelnya adalah . . . .

satu

dua

tiga

empat

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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)  

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