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PERSAMAAN DAN FUNGSI KUADRAT KELAS IX

Authored by Erma Sulistya

Mathematics

12th Grade - University

PERSAMAAN DAN FUNGSI KUADRAT KELAS IX
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23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

1. Bentuk umum persamaan kuadrat adalah ....

a2+bx−c=0 , a≠0a^2+bx-c=0\ ,\ a\ne0

a2+bx+c=0 , a≠0a^2+bx+c=0\ ,\ a\ne0

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

a2−bx+c=0 , a=0a^2-bx+c=0\ ,\ a=0

2.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

2. Faktor dari x2+5xx^2+5x adalah .... 

 x(x−5)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

5 sec • 1 pt

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

mengalikan dengan sekawannya

memfaktorkan

melengkapi kuadrat sempurna

rumus kuadratik (rumus abc)

4.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

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

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

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

 (x−2)(x−3)=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

5 sec • 1 pt

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

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

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

 (x−2)(x−3)=0\left(x-2\right)\left(x-3\right)=0  

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

6.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

6.Faktor dari  x2−7x+10=0x^2-7x+10=0  adalah ....

 (x+2)(x−5)=0\left(x+2\right)\left(x-5\right)=0  

 (x−2)(x−5)=0\left(x-2\right)\left(x-5\right)=0  

 (x−1)(x−10)=0\left(x-1\right)\left(x-10\right)=0  

 (x−1)(x+10)=0\left(x-1\right)\left(x+10\right)=0  

7.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

7.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  

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