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MATEMATIKA

Authored by Kiko GJ

Mathematics

3rd Grade

Used 3+ times

MATEMATIKA
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

jika x = -2 adalah akar dari persamaan x2 - 3x -c = 0 maka, nilai c adalah....

-10

-5

5

10

2.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

hasil dari (3x - 7) (x + 6) adalah....

3x² - 11x - 42

3x² + 11x - 42

-3x² + 25x - 42

3x² + 25x - 42

3.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

sumbu simetri parabola y = x² -5x + 3 diperoleh pada garis........

x = 3/2

x = 3

x = 3/2

x = 5/2

4.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Diketahui suatu barisan aritmatika, suku ke-3 = 9, suku ke-6 = 18. R suku ke-n adalah....

3n

4n

9n

10n

5.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

rumus suku ke-n dari barisan 3,-2,-7,-12,...adalah...

4an + 1

5an -8

-5an + 8

-2an² -1

6.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

akar-akar persamaan kuadrat 5x² -3x + 1 = adalah....

imajiner

kompleks

nyata,rasional dan sama

nyata dan rasional

7.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

hasil kali akar-akar persamaan kuadrat 6x² -2x + 3 = 0 adalah...

3

2

1/2

-1/2

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