Persamaan dan Fungsi kuadrat

Persamaan dan Fungsi kuadrat

10th Grade

15 Qs

quiz-placeholder

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Persamaan dan Fungsi kuadrat

Persamaan dan Fungsi kuadrat

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

Created by

Agus Harjanto

Used 2+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

  1. Akar akar persamaan kudrat x2 - 2x - 24 = 0 adalah…

x = 6 dan x = 2

x = 6 dan x = -2

x = -6 dan x = 2

x = - 6 dan x = 4

x = - 6 dan x = -4

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

  1. Hasil dari (3x - 7) (x + 6) = 0 adalah…

  1. 3x2 - 11x - 42 = 0

  1. -3x2 + 25x - 42 = 0

  1. 3x2 + 11x - 42= 0

  1. 3x2 + 25x - 42=0

  1. 3x2 - 25x - 42=0

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Persamaan kuadrat yang akar akanya -2 dan 4 adalah…


x2 - 2x + 8 = 0

x2 + 2x + 8 = 0

x2 - 2x + 8 = 0

x2 - 4x + 8 = 0

x2 - 4x - 8 = 0

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nilai a, b, dan c dari persamaan kuadrat 2x2 - 3x -8 = 0 secara berturut-turut adalah…

-3, 2, 8

2, 3, 8

-2, -3, 8

2, -3, -8

2, 3, -8

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Hasil kali akar-akar persamaan kuadrat 2x2 - 4x - 6 = 0 adalah…

  • - 3

  • - 2

  • 4

  • 2

3

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Bentuk persamaan kuadrat yang akar-akarnya 1/2 dan 2 adalah…


2x2 - 5x + 2 = 0

2x2 - 5x - 2 = 0

2x2 + 5x + 2 = 0

  • -2x2 - 5x + 2 = 0

-2x2 + 5x + 2 = 0

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jika x1 dan x2 adalah akar akar persamaan kuadrat x2 - x - 6 = 0, nilai ( 1/x1 + 1/x2 ) adalah...

6

2

1/6

  • - 1/3

  • - 1/6

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