Persamaan Kuadrat

Persamaan Kuadrat

10th Grade

10 Qs

quiz-placeholder

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Nhân số có 4 chữ số với số có 1 chữ số (Lớp 3)

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10 Qs

Persamaan Kuadrat

Persamaan Kuadrat

Assessment

Quiz

Mathematics

10th Grade

Hard

Created by

Wilda Febriana

Used 32+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika bentuk umum persamaan kuadrat  x24=3(x2)x^2-4=3\left(x-2\right)  adalah  ax2+bx+c=0ax^2+bx+c=0  maka nilai  a+b+c = ....a+b+c\ =\ ....  

0

1

2

3

4

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika salah satu persamaan kuadrat  x^2-4x+c=0   adalah 2 maka nilai c adalah .... (pakai substitusi)

0

1

2

3

4

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 jika salah satu akar dari persamaan kuadrat x^2+3x+c=0 adalah 3. Maka akar yang lain adalah ....

 x=-6  

 x=4x=-4  

  x=-3 

 x=4x=4  

 x=6x=6  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Himpunan penyelesaian dari  x^2+6x-16=0  adalah ...

{4,4}

{2,8}

{2,-8}

{-2,8}

{-2,-8}

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Faktor - faktor dari persamaan kuadrat  3x2+9x35=03x^2+9x-35=0  adalah ....

 (x5)(2x+7)\left(x-5\right)\left(2x+7\right)  

 (x+5)(2x7)\left(x+5\right)\left(2x-7\right)  

 (2x5)(x+7)\left(2x-5\right)\left(x+7\right)  

 (2x+5)(x7)\left(2x+5\right)\left(x-7\right)  

 2(x5)(x+7)2\left(x-5\right)\left(x+7\right)  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika persamaan kuadrat  2x^2+9x-35=0  maka nilai jumlah akar - akarnya adalah ....

-3

-1

 13-\frac{1}{3}   

1

3

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Salah satu akar dari  3x^2-2x+c=0  adalah 2. Akar lainnya adalah ...

-4/5 

-4/3

1

4/5

4/3

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