Aljabar

Aljabar

12th Grade - University

20 Qs

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Aljabar

Aljabar

Assessment

Quiz

Mathematics

12th Grade - University

Hard

Created by

Bimbel CRDS

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

1. Hasil dari 4x + 5x adalah....

A. 9

B. 9x

C. -5

D. 5x

Answer explanation

4x + 5x

= (4 + 5)x

= 9x

Jawaban: B

2.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

2. Hasil dari 3x – 6y – 5x adalah.....

A. 2x+ 6y

B. 8x – 6y

C. –2x + 6y

D. 2x – 6y

Answer explanation

3x + 6y – 5x

= (3x – 5x) – 6y

= – 2x + 6y

Jawaban: C

3.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

3. Hasil sederhana dari 7x + 2 – 3x – 6 adalah....

A. x + 4

B. 4x – 4

C. 11x – 4

D. 4x + 4

Answer explanation

7x + 2 – 3x – 6

= 7x – 3x + 2 – 6

= 4x – 4

Jawaban: B

4.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

4. Hasil sederhana dari 9 – 3y + 2 + x – 12 adalah....

A. x + 3y + 15

B. x – 3y – 15

C. x + 3y – 3

D. x – 3y + 3

Answer explanation

9 – 3y + 2 + x – 12

= x – 3y + (9 + 6 – 12 )

= x – 3y + 3

Jawaban: D

5.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

5. Konstanta dari bentuk aljabar 7x² – 4x + 8y – 3 adalah….

A. – 3

B. -4x

C. 8y

D. 7x2

Answer explanation

Konstanta adalalah angka yang tidak mengandung variabel tertentu. Jadi bentuk aljabar pada soal di atas yang tidak memiliki varibel adalah angka 3.

Jawaban : A.

6.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

6. Bentuk sederhana dari aljabar 11x + 7y + 5 + 5y – 9 adalah….

A. 11x + 12y + 4

B. 11x +12y + 4

C. 11x – 12y – 4

D. 11x + 12y – 4

Answer explanation

11x + 7y + 5 + 5y – 9

= 11x + 7y + 5y + 5 – 9

= 11x + (7 + 5)y + ( 5 – 9)

= 11x + 12y – 4

Jawaban: D

7.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

7. Diketahui: a = 4x + 2y dan b = 4x + 8y, Berapa Hasil a + b ….

A. 6x + 12y

B. 12x + 6y

C. 8x + 10y

D. 10x + 8y

Answer explanation

a + b

= (4x + 2y) + (4x + 8y)

= 4x + 4x +2y +8y

= 8x + 10y

Jawaban : C

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