Quiz #1

What is the formula for difference of squares?

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• There is no formula

How do you factor this perfect square trinomial?

• $\left(a+b\right)\left(a-b\right)$

• $\left(a+b\right)^2$

• $\left(a-b\right)^2$

Factor the trinomial

 $x^2-4x+4$  

• (x+2)(x-2)

• (x+2)(x+2)

• (x-2)(x-2)

• (x-2)(x+2)

Which trinomial is a perfect square trinomial?

• $x^2+4x+4$

• $x^2-1$

• $x^2+7x+25$

• $4x^2+12x-100$

Factor the trinomial.

 $4x^2-20x+25$  

•  $\left(4x-5\right)^2$  

•  $\left(2x-5\right)^2$  

•  $\left(5+2x\right)^2$  

•  $\left(5+4x\right)^2$  

Which expression is a factor of

 $x^4-9$  ?

•  $\left(x^2+3\right)^2$  

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

•  $\left(x^2-3\right)^2$  

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

Factor the trinomial.

 $x^2-12x+36$  

•  $\left(x+6\right)\left(x-6\right)$  

•  $\left(x+6\right)^2$  

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

•  $\left(x-6\right)^2$