2.1 +/- Polynomials

State the degree of the polynomial:  $5x^2-8x^4+6x-11$  

• Degree = 2

• Degree = 2

• Degree = 4

• No degree

Write the polynomial:  $2x-4x^2+3-x^3$  in standard form.

•  $-4x^2-x^3+2x+3$  

•  $-x^3-4x^2+2x+3$  

•  $3+2x-4x^2-x^3$  

•  $2x-4x^2-x^3+3$  

 $\left(3x-4\right)+\left(8x+6\right)$  

Find the sum:

•  $11x+10$  

•  $-12x+9$  

•  $4x-6$  

•  $11x+2$  

Find the sum: $\left(-2x+5x^2-6\right)+\left(3x^2-5x+3\right)$  

•  $8x^2-7x-3$  

•  $x^2+3x-9$  

•  $8x^2-3x-9$  

•  $-7x-8x^2-6$  

Find the difference: $\left(5x\ -\ 4\right)\ -\ \left(2x\ -\ 8\right)$  

•  $7x\ -4$  

•  $3x+4$  

•  $3x-12$  

•  $7x-12$  

Find the difference:  $\left(-3x^3+2x-3\right)-\left(2x^2-9x+4\right)$  

•  $-5x^5-7x+1$  

•  $-x^3-11x-1$  

•  $-3x^3-2x^2+11x-7$  

•  $-3x^3-2x^2-11x+1$