Quiz about Aljabar Kelas 7

Question 1

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 2

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 3

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 4

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 5

Bentuk sederhana dari perkalian suku $$\left(2x-3\right)\left(x+5\right)$$ adalah ....

Accepted Answer

$$2x^2+7x-15$$

Answer

$$2x^2-13x-15$$

Answer

$$2x^2-7x+15$$

Answer

$$2x^2+13x+15$$

Question 6

Bentuk sederhana dari $$\frac{3ab}{2c}\div\frac{9b^2}{4ac}$$ adalah ....

Accepted Answer

$$\frac{2a^2}{3b}$$

Answer

$$\frac{2ac}{3b}$$

Answer

$$\frac{27b^3}{8c^2}$$

Answer

$$\frac{3a^2}{4b}$$

Question 7

Bentuk sederhana dari $$\frac{3}{4a}+\frac{5}{12a}$$ adalah ....

Accepted Answer

$$\frac{7}{6a}$$

Answer

$$\frac{14}{12a}$$

Answer

$$\frac{7a}{6}$$

Answer

$$\frac{14a}{12}$$

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