Quiz about Ulangan Harian Aljabar Kelas 7

Question 1

Tentukan penjumlahan

$$7a+4b$$ dengan $$8a-6b$$

Accepted Answer

15a - 2b

Answer

15a + 2b

Answer

a + 10b

Answer

15a + 10b

Question 2

Suku-suku sejenis dari bentuk aljabar $$6x^2+6xy-4y^2-7x^2+2xy+2y^2$$ adalah ....

Accepted Answer

$$6xy\ dan\ 2xy$$

Answer

$$6x^2dan\ 6xy$$

Answer

$$-4y^2\ dan\ 2xy$$

Answer

$$6x^2\ dan\ -4y^2$$

Question 3

Bentuk sederhana dari $$9y^2-4xy+5y+7y^2+3xy$$ adalah ....

Accepted Answer

$$16y^2-xy+5y$$

Answer

$$5y^2+4xy+8y$$

Answer

$$16y^2-7xy+5y$$

Answer

$$9y^2-7xy+5y$$

Question 4

Bentuk sederhana dari $$-2\left(2x^2+3x-4\right)$$ adalah ....

Accepted Answer

$$-4x^2-6x+8$$

Answer

$$-2x^2+6x-8$$

Answer

$$-4x^2+6x-8$$

Answer

$$-4x^2-6x-8$$

Question 5

Jumlah $$6x-5y-2z$$ dan $$-8x+6y+9z$$ adalah ....

Accepted Answer

$$-2x+y+7z$$

Answer

$$2x-y-8z$$

Answer

$$2x-11y-11z$$

Answer

$$-2x-y+7z$$

Question 6

Hasil pengurangan $$5x-3y+7$$ dari $$5y-3x-4$$ adalah ....

Accepted Answer

$$-8x+8y-11$$

Answer

$$-6y+11$$

Answer

$$8x+8y-11$$

Answer

$$8x-8y+11$$

Question 7

$$-12y$$ memiliki koefisien dan variabel yaitu ....

Accepted Answer

-12 dan y

Answer

y dan -12

Answer

12 dan y

Answer

-y dan 12

Question 8

hasil kali dari $$4 imes\left(2y+8 ight)$$ adalah..

Accepted Answer

$$8y+32$$

Answer

$$8y+36$$

Answer

$$6y+12$$

Answer

$$8y-32$$

Question 9

Konstanta dari bentuk $$x+2y-3$$ adalah ....

Accepted Answer

-3

Answer

1

Answer

2

Answer

3

Question 10

koefisien dari x pada bentuk $$4x+5y-3$$ adalah ....

Accepted Answer

4

Answer

5

Answer

-3

Answer

3

Question 11

Bentuk sederhana dari $$2ab+3bc-4cd-3ab+5bc+9cd$$ adalah....

Accepted Answer

$$-ab+8bc+5cd$$

Answer

$$5ab+8bc+5cd$$

Answer

$$-5ab-8bc-5cd$$

Answer

$$ab+8bc+5cd$$

Question 12

Hasil dari perkalian aljabar berikut
$$\left(2x-6\right)\left(x+11\right)$$ adalah...

Accepted Answer

2x² + 16x - 66

Answer

x² - 66x + 16

Answer

x² + 16x + 11

Answer

2x² + 11x - 66

Question 13

Sederhanakan bentuk aljabar 4x + 9 - 5x - 2

Accepted Answer

7 - x

Answer

x + 1

Answer

x + 7

Answer

x + 2

Question 14

Sederhanakan bentuk aljabar 2x + 3y + 4x - 5y

Accepted Answer

6x - 2y

Answer

7x + 3y

Answer

6x + 2y

Answer

7x - 3y

Question 15

Hasil dari $$5n\left(n+3\right)$$ adalah ....

Accepted Answer

5n2 + 15n

Answer

5n + 3

Answer

6n + 8n

Answer

5n2 + 8n

Question 16

Hasil dari (3x - 2) (3x + 2) adalah.....

Accepted Answer

9x2 - 4

Answer

9x2 - 2

Answer

9x - 4

Answer

9x2 - 2

Question 17

Diketahui bentuk aljabar $$3a^2-7a-9$$ , suku yang merupakan konstanta saja adalah....

Accepted Answer

-9

Answer

9

Answer

3

Answer

-7

Question 18

Dalam bentuk aljabar $$7a-b+5c-3$$ koefisien dari variabel $$b$$ adalah....

Accepted Answer

$$-1$$

Answer

$$1$$

Answer

$$0$$

Answer

$$-3$$

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