INTRO - PST

Poll

What ice cream flavor sums up your personality today?

Multiple Choice

$$Simplify\ \left(x+5\right)^2.$$  

• $$x^2+5x+25$$  

• $$x^2+10x+25$$  

• $$x^2+25$$  

Multiple Choice

$$Simplify\ \left(n+3\right)^2$$  

• $$n^2+3n+9$$  

• $$n^2+6n+9$$  

• $$n^2+9$$  

Multiple Choice

$$Simplify\ (4a+7)(4a+7)$$  

• $$16a^2+49$$  

• $$16a^2+28a+49$$  

• $$16a^2+56a+49$$  

Multiple Choice

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

• $$2x-1$$  

• $$x^2+2x-1$$  

• $$x^2-2x+1$$  

Multiple Choice

$$Simplify\ \left(a-4\right)^2$$  

• $$a^2-8a+16$$  

• $$a^2-4a+16$$  

• $$a^2-8a-16$$