QUIZ: Add, Subtract, & Multiply Polynomials

Terms that contain the same variables raised to the same power are __________ terms.

Which of the following is a like term of  $4x$  ?

•  $4$  

•  $-3x$  

•  $2xy$  

•  $8x^2$  

Simplify: $\left(12+5x-7x^2\right)+\left(-x^2-3+6x\right)$  

•  $-8x^2+11x+9$  

•  $11x^2+2x-x^3$  

•  $8x^2+11x+9$  

•  $-6x^2+11x+9$  

Simplify: $3x^2+\left(2x-5x^2\right)+4-\left(7x+6\right)$  

•  $-2x^2-5x-2$  

•  $-2x^2-5x+10$  

•  $8x^2-5x-2$  

•  $8x^2-5x+10$  

Simplify: $\left(x^2-5\right)-\left(-3x^2+2x-4\right)$  

•  $4x^2-2x-1$  

•  $4x^2+2x-9$  

•  $-2x^2+2x-9$  

•  $-2x^2-2x-1$  

Simplify: $\left(m+5\right)\left(m^2+4m-8\right)$  

•  $m^3+9m^2-3m-40$  

•  $m^3+9m^2+12m-40$  

•  $10m^2+12m-40$  

•  $10m^2-3m-40$  

Simplify: $\left(h+7\right)^2$  

•  $h^2+14h+49$  

•  $h^2+14$  

•  $h^2+49$  

•  $2h+14$  

Simplify: $\left(k+5\right)\left(k-5\right)$  

•  $k^2-10$  

•  $k^2+10k-25$  

•  $k^2-10k-25$  

•  $k^2-25$