Polynomial Vocab and Addition/Subtraction Review

A (a)   indicates how many numbers or variables there are in an exquation.

The (a)   of a polynomial indicates the highest exponent in the expression.

A binomial has how many terms?

What type of expression is $-16x^2+10x+3$  ?

What is the degree of the following polynomial and how many terms does it have? $x^4y^2z+x^2yz+xy^3z^2+3x+1$  

Simplify  $(5x+4)+(4x+3)$ 

Simplify $(4x^2+x)-(x^2+2x)$  

Simplify  $\left(5t^4+3q^2\right)+\left(7t^4+2t^2-4q^2+8q^4\right)$  

Simplify: $(5x+x^2-4)-(4x-x^2+6)$  

Please choose one of your answers from the four adding/subtracting polynomial questions and describe in detail your thinking on the problem and why you think your answer is correct.