Quiz about Pemfaktoran Aljabar

Question 1

pemfaktoran dari 25x² - 1 adalah...

Accepted Answer

(5x-1) (5x+1)

Answer

(x -1) (25x + 1)

Answer

(x+1) (25x -1)

Answer

(5x + 1) (5x+1)

Question 2

pemfaktoran dari 18x² - 6x adalah...

Accepted Answer

3x (6x - 2)

Answer

6 (3x² - 2x)

Answer

6x (3x - 2)

Answer

3x² (6x - 2)

Question 3

Faktorkan 8pq+10qr

Accepted Answer

2q(4p+5r)

Answer

8p+10r

Answer

4pq+5qr

Answer

2pq(4+5r)

Question 4

Hasil pemfaktoran bentuk $$x^2+x-20$$ adalah ...

Accepted Answer

$$\left(x+5\right)\left(x-4\right)$$

Answer

$$\left(x-5\right)\left(x+4\right)$$

Answer

$$\left(x-2\right)\left(x+10\right)$$

Answer

$$\left(x+2\right)\left(x-10\right)$$

Question 5

Hasil pemfaktoran dari :

$$x^2-64$$ adalah ...

Accepted Answer

$$\left(x-8\right)\left(x+8\right)$$

Answer

$$\left(x-8\right)\left(x-8\right)$$

Answer

$$\left(x-16\right)\left(x+4\right)$$

Answer

$$\left(x+16\right)\left(x-4\right)$$

Question 6

pemfaktoran dari 4x² + 12x + 9 adalah ....

Accepted Answer

(2x + 3) (2x + 3)

Answer

(2x + 3) (2x - 3)

Answer

(2x - 3) (2x - 3)

Answer

(4x + 3) (x+3)

Question 7

Pemfaktoran bentuk aljabar :

$$x^2-20x+36$$ adalah ...

Accepted Answer

$$\left(x-18\right)\left(x-2\right)$$

Answer

$$\left(x+18\right)\left(x-2\right)$$

Answer

$$\left(x-12\right)\left(x-3\right)$$

Answer

$$\left(x+12\right)\left(x+3\right)$$

Question 8

Factor dari

$$x^2-9x+18\ $$ adalah....

Accepted Answer

$$\left(x-6\right)\left(x-3\right)$$

Answer

$$\left(x+9\right)\left(x+2\right)$$

Answer

$$\left(x-9\right)\left(x-2\right)$$

Answer

$$\left(x+6\right)\left(x+3\right)$$

Question 9

Factor dari

$$4s^2+4s-3$$ adalah....

Accepted Answer

$$\left(2s-1\right)\left(2s+3\right)$$

Answer

$$\left(4s-1\right)\left(4s+3\right)$$

Answer

$$\left(2s-3\right)\left(2s+1\right)$$

Answer

$$\left(4s-3\right)\left(4s+1\right)$$

Question 10

Factor dari

$$4x^2+5x-6$$ adalah....

Accepted Answer

$$\left(x+2\right)\left(4x-3\right)$$

Answer

$$\left(x-2\right)\left(4x+3\right)$$

Answer

$$\left(2x-2\right)\left(2x+3\right)$$

Answer

$$\left(2x+2\right)\left(2x-3\right)$$

Question 11

Perhatikan hasil pemfaktoran berikut:
(1) $$15x^2-5x=5x\left(3x-1\right)$$
(2) $$x^2-25=\left(x-25\right)\left(x-1\right)$$
(3) $$3x^2+5x-12=\left(3x-4\right)\left(x+3\right)$$
Bentuk pemfaktoran yang benar adalah nomor....

Accepted Answer

(1) and (3)

Answer

(1) and (2)

Answer

(2) and (3)

Answer

(1), (2), and (3)

Question 12

Hasil pemfaktoran dari

$$x^2+2x-15$$ adalah . . .

Accepted Answer

$$\left(x+5\right)\left(x-3\right)$$

Answer

$$\left(x+5\right)\left(x+3\right)$$

Answer

$$\left(x-5\right)\left(x+3\right)$$

Answer

$$\left(x-5\right)\left(x-3\right)$$

Question 13

Pemfaktoran bentuk aljabar :

$$x^2-20x+36$$ adalah ...

Accepted Answer

$$\left(x-18\right)\left(x-2\right)$$

Answer

$$\left(x+18\right)\left(x-2\right)$$

Answer

$$\left(x-12\right)\left(x-3\right)$$

Answer

$$\left(x+12\right)\left(x+3\right)$$

Question 14

Hasil pemfaktoran dari $$x^2+3x-40$$ adalah . . .

Accepted Answer

$$\left(x+8\right)\left(x-5\right)$$

Answer

$$\left(x+8\right)\left(x+5\right)$$

Answer

$$\left(x-8\right)\left(x+5\right)$$

Answer

$$\left(x-8\right)\left(x-5\right)$$

Question 15

Bentuk sederhana dari $$\frac{x^2+11x+18}{x^2-4}$$ adalah . . .

Accepted Answer

$$\frac{x+9}{x-2}$$

Answer

$$\frac{x+9}{x+2}$$

Answer

$$\frac{x-9}{x+2}$$

Answer

$$\frac{x-9}{x-2}$$

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