UH Persamaan Kuadrat

UH Persamaan Kuadrat

9th Grade

10 Qs

quiz-placeholder

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UH Persamaan Kuadrat

UH Persamaan Kuadrat

Assessment

Quiz

Mathematics

9th Grade

Medium

CCSS
HSA-REI.B.4B

Standards-aligned

Created by

elis suraya

Used 12+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Berikut yang merupakan akar dari persamaan kuadrat x2 - 3x - 10 = 0 adalah:

x = 10 atau x = -3

x = -10 atau x = 3

x = 5 atau x = -2

x = -5 atau x = 2

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jika  α\alpha   dan  β\beta   adalah akar-akar persamaan kuadrat  x28x+7=0x^2-8x+7=0   maka nilai  α+β\alpha+\beta   adalah 

-8

-7

7

8

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Berdasar nilai determinan, maka persamaan kuadrat :   x2 8x +16 = 0x^2\ -8x\ +16\ =\ 0 mempunyai 

dua akar yang berbeda

akar yang sama

tidak mempunyai akar

akarnya tidak nyata

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Persamaan kuadrat  4x2 12x + c = 04x^2\ -12x\ +\ c\ =\ 0 mempunyai akar kembar/ dua akar yang sama, jika nilai c adalah

4

6

9

12

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nilai diskriminan dari persamaan kuadrat 2x2 – 3x – 5 = 0 adalah….

– 31

20

29

49

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Menyelesaikan  x2+5x+6=0x^2+5x+6=0  menggunakan faktorisasi ....

 (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  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nilai a, b, dan c pada persamaan  2x25x122x^2-5x-12 =0 

a= 1,  b= 5 dan c= 12

a= 2, b= 5 dan c = 12

a = 2, b = -5 dan c = -12

a= 2, b = -12 dan c = -5

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