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Matematika

Authored by Lidya Syafrina Siregar

Mathematics

2nd Grade

Used 15+ times

Matematika
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15 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 15 pts

Hasil pencerminan dari f(x) = 2x² + 3x - 5 , jika di geser 1 satuan ke kanan adalah.

4x² - 5x - 4

2x² - x - 6

2x² - 4x + 6

2x² + x + 6

2.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Hasil pencerminan dari f(x) = 2x + 5 , jika di geser 3 satuan ke bawah

2x² + 2

2x - 2

2x + 2

2 - 2x

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Rumus dari ordo 3 x 3 adalah..

( a + b + c + d + e + f + g + h )

( a•b•c + d•e•f + g•h•i ) - ( a•b•c + d•e•f + g•h•i )

( a•e•i + b•f•g + c•d•h ) - (c•e•g + a•f•h + b•d•i)

( a•e•i + b•f•g + c•d•h )

4.

MULTIPLE CHOICE QUESTION

2 mins • 20 pts

Titik pusat dari persamaan lingkaran x² + y² - 2x - 10y - 23 = 0

a = 1 , b = 5, r = 7

a = 7, b = 5 , r = 1

a = -1, b = 5, r = 7

a = 1, b = 5, r = -7

5.

MULTIPLE CHOICE QUESTION

2 mins • 15 pts

Hasil persamaan lingkaran jika titik pusatnya (-2, -1) dan jari jarinya 2 adalah..

x² + y² + 4x + 2y - 1 = 0

x² + y² - 2x + 4y + 1 = 0

x² + y² - 4x - 2y - 1 = 0

x² + y² + 4x + 2y + 1 = 0

6.

MULTIPLE CHOICE QUESTION

30 sec • 20 pts

Hasik reflexi dari f(x) = 5x + 2, jika di cerminkan ke sumbu x adalah..

-5x - 2

5x - 2

5x + 2

-5x + 2

7.

FILL IN THE BLANK QUESTION

3 mins • 20 pts

Hasil translasi dari x² - 1, jika di geser 4 satuan ke kiri, 2 satuan ke bawah.

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