Quiz about ALGEBRA

Question 1

Permudahkan $$10a\ +\ 2b\ -a$$

Accepted Answer

9a + 2b

Answer

11a + 2b

Answer

9a - 2b

Answer

11a - 2b

Question 2

Permudahkan $$9\ -7p\ +3\ -2p$$

Accepted Answer

12 - 9p

Answer

6 - 9p

Answer

12 - 5p

Answer

6 + 5p

Question 3

Permudahkan $$\frac{1}{ ext{2}}xy\ +2y\ -3xy$$

Accepted Answer

$$-\frac{5}{2}xy\ +2y$$

Answer

$$\frac{5}{2}xy\ +2y$$

Answer

$$\frac{7}{2}xy\ +2y$$

Answer

$$-\frac{5}{2}xy\ -2y$$

Question 4

Permudahkan $$\frac{2x^4yz}{xy}$$

Accepted Answer

$$2x^3z$$

Answer

$$\frac{2x^3y}{x}$$

Answer

$$2x^3y$$

Answer

$$x^3z$$

Question 5

Permudahkan $$2mn\ -\left(2+mn-n\right)$$

Accepted Answer

mn - 2 + n

Answer

3mn - 2 - n

Answer

mn - 2 - n

Answer

3mn - 2 + n

Question 6

Kembangkan $$\left(2x+1\right)\left(x-1\right)$$

Accepted Answer

$$2x^2-x-1$$

Answer

$$2x^2+3x-1$$

Answer

$$2x^2+3x+1$$

Answer

$$2x^2-x+1$$

Question 7

Kembangkan $$\left(a\ +2b\right)^2$$

Accepted Answer

$$a^2+4ab+4b^2$$

Answer

$$a^2+4a+4b^2$$

Answer

$$2a+4ab+4b^2$$

Answer

$$a^2+4ab+2b^2$$

Question 8

Faktorkan $$a^2-4$$

Accepted Answer

$$\left(a-2\right)\left(a+2\right)$$

Answer

$$\left(a-4\right)\left(a+4\right)$$

Answer

$$a\left(a-4\right)$$

Answer

$$a\left(a\ -2\right)$$

Question 9

Faktorkan $$pq^2+2pq$$

Accepted Answer

$$pq\left(q+2\right)$$

Answer

$$p\left(q^2+2q\right)$$

Answer

$$2\left(pq^2+pq\right)$$

Answer

$$pq\left(p+2\right)$$

Question 10

Faktorkan $$x^2+4x-5$$

Accepted Answer

$$\left(x-1\right)\left(x+5\right)$$

Answer

$$\left(x+1\right)\left(x-5\right)$$

Answer

$$\left(x-1\right)\left(x-5\right)$$

Answer

$$\left(x+1\right)\left(x+5\right)$$

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