Quiz about all topics

Question 1

$$x^2-21x+108=?$$

Accepted Answer

$$\left(x-9\right)\left(x-12\right)$$

Answer

$$\left(x-9\right)\left(x+12\right)$$

Answer

$$\left(x+9\right)\left(x+12\right)$$

Answer

$$\left(x+9\right)\left(x-12\right)$$

Question 2

$$x^2-15x+56=?$$

Accepted Answer

$$\left(x-8\right)\left(x-7\right)$$

Answer

$$\left(x+8\right)\left(x-7\right)$$

Answer

$$\left(x-8\right)\left(x+7\right)$$

Answer

$$\left(x+8\right)\left(x+7\right)$$

Question 3

$$x^2-25x+150=?$$

Accepted Answer

$$\left(x-15\right)\left(x-10\right)$$

Answer

$$\left(x+15\right)\left(x-10\right)$$

Answer

$$\left(x-15\right)\left(x+10\right)$$

Answer

$$\left(x+15\right)\left(x+10\right)$$

Question 4

$$x^2-30x+225=?$$

Accepted Answer

$$\left(x-15\right)^2$$

Answer

$$\left(x+15\right)^2$$

Answer

$$\left(x-30\right)^2$$

Answer

$$\left(x+30\right)^2$$

Question 5

$$x^2-20x+100=?$$

Accepted Answer

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

Answer

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

Answer

$$\left(x-5\right)^2$$

Answer

$$\left(x+5\right)^2$$

Question 6

$$x^2-14x+49=?$$

Accepted Answer

$$\left(x-7\right)^2$$

Answer

$$\left(x+7\right)^2$$

Answer

$$\left(x-5\right)^2$$

Answer

$$\left(x+5\right)^2$$

Create a free account and access millions of resources