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Latihan Soal Persamaan Kuadrat

Authored by Monica Sayuri

Mathematics

9th Grade

Used 10+ times

Latihan Soal Persamaan Kuadrat
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15 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Salah satu faktor dari x2– 7x + 12 adalah…

. x – 2


x – 3

x + 3

x + 4

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

-31

20

29

49

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika salah satu akar daripersamaan kuadrat x2 + 3 x + c=0 adalah 2, maka nilai c yangmemenuhi adalah…

-10

-5

10

5

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Akar – akar persamaan kuadrat x2– 11x + 30=0 adalah….

real dan berbeda

real dan sama

tidak real

tidak dapat ditentukan

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Perhatikan persamaan-persamaanberikut

(i) x2 + 3x – 54=0

(ii) x2 – 8x + 16=0

(iii) 2x2 + 5x + 11=0

(iv) 3x2 – 7x + 4=0

Persamaan kuadrat yang mempunyai akar real adalah….

(i) dan (iii)

(i) dan (iv)

(i), (ii) dan (iii)

(i), (ii) dan (iv)

6.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

0

1

2

3

7.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Manakah yang merupakan persamaan kuadrat?

5x -3 =2

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