PERSAMAAN DAN FUNGSI KUADRAT

PERSAMAAN DAN FUNGSI KUADRAT

9th Grade

20 Qs

quiz-placeholder

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PERSAMAAN DAN FUNGSI KUADRAT

PERSAMAAN DAN FUNGSI KUADRAT

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

Sulis Riyanto

Used 762+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 12 pts

Akar persamaan kuadrat x² – x – 6 = 0 adalah ....

2 dan 3

-2 dan 3

2 dan -3

-2 dan -3

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Salah satu akar persamaan kuadrat

3x² – 27 = 0 adalah ....

2

3

9

27

3.

MULTIPLE CHOICE QUESTION

5 mins • 12 pts

Akar persamaan kuadrat 2x² + 8x = 0 adalah ....

2 dan 4

2 dan -4

0 dan -4

0 dan 4

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Persamaan kuadrat yang memiliki akar

3 dan -5 adalah ....

x² – 2x – 15 = 0

x² + 2x – 15 = 0

x² – 2x + 15 = 0

x² + 2x + 15 = 0

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Persamaan 3x² + 7x + 4 = 0 memiliki akar x1 dan x2.

Nilai x1 + x2 adalah ....

- 3133\frac{1}{3}

- 2132\frac{1}{3}

- 76\frac{7}{6}

76\frac{7}{6}

6.

MULTIPLE CHOICE QUESTION

5 mins • 12 pts

Persamaan 6x² – 6x – 12 = 0 memiliki akar-akar x1 dan x2.

Nilai x1.x2 adalah ....

-12

-6

-5

-2

7.

MULTIPLE CHOICE QUESTION

5 mins • 12 pts

Nilai diskriminan dari persamaan kuadrat 2x² – 3x + 1 = 0 adalah ....

17

1

-1

-17

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