NC Math Module 1

 $Which\ of\ the\ following\ is\ a\ like\ term\ for\ 3x^2y?$  

• 4xy

•  $8xy^2$  

•  $5x^2y$  

Classify the following: 3x + 2y

• monomial

• binomial

• trinomial

Classify the following:

 $2x^2+3x-4$  

• monomial

• binomial

• trinomial

Add the following:

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

•  $5x^2-2x-2$  

•  $5x^2+2x-2$  

•  $5x^2-2x+2$  

Add the following:

 $\left(2y^2-4y+3\right)+\left(4y^2-3y+2\right)$  

•  $6y^2-y+5$  

•  $6y^2-7y+5$  

•  $6y^2+y+5$  

Subtract the following:

 $\left(2n^2-3n+2\right)-\left(4n^2+n-4\right)$  

•  $-2n^2-4n+6$  

•  $-2n^2+4n-6$  

•  $2n^2-4n+6$  

Subtract the following:

 $\left(2b^2+3b-3\right)-\left(b^2-4b-2\right)$  

•  $b^2-7b+1$  

•  $b^2+7b-5$  

•  $b^2+7b-1$  

Multiply:

 $3x\left(2x^2+2x-4\right)$  

•  $5x^3+5x^2-7x$  

•  $6x^2+6x-12$  

•  $6x^3+6x^2-12x$  

Multiply:

 $-2y\left(3x+2y-4\right)$  

•  $6xy+4y^2+8y$  

•  $-6xy-4y^2+8y$  

•  $6xy-4y^2-8y$  

Multiply:

 $\left(x+4\right)\left(x+2\right)$  

•  $x^2+4x+8$  

•  $x^2+6x+8$  

•  $x^2+8x+8$