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penjumlahan aljabar

Authored by fauziah lestari

Mathematics

7th - 9th Grade

Used 72+ times

penjumlahan aljabar
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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

4a + 5a

9a

9aa

a9

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

3x + 6y – 5x = ...

9x + 5y

9x - 5y

2x + 6y

-2x + 6y

Answer explanation

3x + 6y – 5x = (3x – 5x) – 6y

= – 2x + 6y

3.

FILL IN THE BLANK QUESTION

1 min • 5 pts

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

Answer explanation

7m + 2 – 3m – 6= 7x – 3x + 2 – 6

= 4x – 4

4.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

Konstanta dari bentuk aljabar 7x² – 4x + 8y – 9 adalah….

7

4

8

9

5.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

Banyaknya variabel pada bentuk aljabar 7x² – 4x + 8y – 3 adalah….

2

3

4

5

6.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

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

11x + 12y + 4

11x +12y + 4

11x – 12y – 4

11x + 12y – 4

Answer explanation

11x + 7y + 5 + 5y – 9

= 11x + 7y + 5y + 5 – 9

= 11x + (7 + 5)y + ( 5 – 9)

= 11x + 12y – 4

7.

FILL IN THE BLANK QUESTION

2 mins • 5 pts

Hitunglah (5a – 13b) + (14a + 9b) ....

Answer explanation

= (5a – 13b) +(14a + 9b)

= 5a + 14a – 13b +9b

= 19a–4b

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