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Ulangan Harian kelas 9G & 9H

Authored by Navida Barasanti

Mathematics

Used 10+ times

Ulangan Harian kelas 9G & 9H
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 6 pts

Manakah yang termasuk akar persamaan kuadrat:

  1. 1. 14x+7=014x+7=0

  2. 2. x2−6x+8=0x^2-6x+8=0

  3. 3. x2−16=0x^2-16=0

  1. (1) dan (2)

  1. (1) dan (3)

  1. (1), (2), dan (3)

  1. (2) dan (3)

2.

MULTIPLE CHOICE QUESTION

5 mins • 6 pts

Nilai a, b, dan c dari persamaan kuadrat x2−25=0x^2-25=0 secara berturut-turut adalah…

1, -25, 0

1, 0, 25

1, 0, -25

1, 25, 0

3.

MULTIPLE CHOICE QUESTION

5 mins • 7 pts

f(x)=3x2−2x+5f(x)=3x^2-2x+5 memiliki bentuk sesuai dengan bentuk f(x)=ax2+bx+cf(x)=ax^2+bx+c . Hitunglah nilai 2a+3b+4c2a+3b+4c !

20

17

23

32

4.

MULTIPLE CHOICE QUESTION

5 mins • 7 pts

Persamaan kuadrat dari yang akar-akarnya 6 dan -4 adalah… 

x2−10x+24=0x^2-10x+24=0

x2−10x−24=0x^2-10x-24=0

x2−2x−24=0x^2-2x-24=0

x2+2x−24=0x^2+2x-24=0

5.

MULTIPLE CHOICE QUESTION

5 mins • 7 pts

Hasil dari (3x−7)(x+6)(3x-7)(x+6) adalah…

3x2+25x+423x^2+25x+42

3x2−11x−423x^2-11x-42

3x2+25x−423x^2+25x-42

3x2+11x−423x^2+11x-42

6.

MULTIPLE CHOICE QUESTION

5 mins • 7 pts

Akar-akar dari persamaan kudrat   x2−2x−24=0x^2-2x-24=0 adalah…

6 & 4

-6 & 4

6 & -4

-6 & -4

7.

MULTIPLE CHOICE QUESTION

5 mins • 7 pts

Diketahui salah satu akar dari persamaan kuadrat  x2−6x+c=0x^2-6x+c=0  adalah 3. Tentukan nilai c yang memenuhi persamaan kuadrat tersebut.

-27

27

9

-9

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