Latihan Soal Persamaan Kuadrat

Latihan Soal Persamaan Kuadrat

9th Grade

10 Qs

quiz-placeholder

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Latihan Soal Persamaan Kuadrat

Latihan Soal Persamaan Kuadrat

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

Created by

eklesia maryani

Used 29+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 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.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jenis akar dari x2 + x + 3 = 0

Mempunyai dua akar sama

Mempunyai dua akar real dan berbeda

Mempunyai akar tidak real

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jenis akar dari x2 -2x - 35 = 0

Mempunyai dua akar sama

Mempunyai dua akar real dan berbeda

Mempunyai akar tidak real

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Nilai diskriminan persamaan kuadrat -x2 + 2x - 16 = 0 adalah ...

68

60

-60

-68

5.

MULTIPLE CHOICE QUESTION

5 mins • 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

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

jika x1 dan x2x_1\ dan\ x_2  merupakan akar persamaan kuadrat  x2+5x+3=0x^2+5x+3=0  maka nilai dari  x1.x2x_{1.}x_2  adalah . . .

-5

5

-3

3

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Persamaan Kuadrat x2 - 3x + 4 = 0 memiliki akar akar x1 dan x2, maka nilai x1 + x2 adalah...

3

-3

2

-2

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