Fungsi Kuadrat

Fungsi Kuadrat

10th Grade

10 Qs

quiz-placeholder

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Fungsi Kuadrat

Fungsi Kuadrat

Assessment

Quiz

Mathematics

10th Grade

Medium

Created by

Dona Saputra

Used 13+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Tentukan hasil kali akar-akar persamaan kuadrat 2x2 – 4x – 6 = 0.

-3

-2

-1

0

2.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Diketahui x1 dan x2 adalah akar-akar persamaan kuadrat dari 2x² + 12 x + 18. Tentukan x1+x2 dan x1.x2

6 dan -9

-6 dan 9

2 dan -3

-2 dan 3

3.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

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

x2 - 10x + 24 = 0

x2 + 10x - 24 = 0

x2 - 2x - 24 = 0

x2 + 2x - 24 = 0

4.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Diketahui p dan q adalah akar-akar dari 2x– bx – c, jika p+q = 1 dan p.q = -12. Persamaan kuadrat tersebut adalah ...

x+ 2x – 24

x– 2x + 24

2x+ 2x – 24

2x– 2x – 24

5.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Diketahui fungsi kuadrat f(x) = x2 – 10x + 24. Tentukan titik puncaknya

(5, -1)

(-5, 2)

(-1, 5)

(2, -5)

6.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Jika f(x) = -3x2 + 12x – 7. Tentukan nilai maksimum dari fungsi tersebut.

10

5

15

20

7.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Diketahui fungsi kuadrat f(x) = 2x2 – 8x + 6. Tentukan sumbu simetri dari grafik fungsi tersebut.

0

1

2

3

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