Adding and Subtracting Polynomials

When we combine like terms what arithmetic do we perform? (Click all that apply)

• Addition

• Subtraction

• Multiplication

• Division

Tags

CCSS.7.EE.A.1

When combine like terms what arithmetic do we perform on the exponents? (Click all that apply)

• Addition

• Subtraction

• Multiplication

• Division

• Nothing, we leave the exponents as they are

Tags

CCSS.HSA.APR.A.1

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

•  $5x^2-4x-1$  

•  $5x^2-6x+13$  

•  $x^2-4x+13$  

•  $5x^2+4x-1$  

Tags

CCSS.HSA.APR.A.1

 $\left(5z^2+6z+9\right)-\left(2z^2+z+7\right)$  

•  $3z^2-5z-2$  

•  $7z^2+7z+16$  

•  $3z^2+5z+2$  

•  $7z^2+5z+2$  

Tags

CCSS.HSA.APR.A.1

 $\left(a^3-2a^2\right)-\left(3a^2-4a^3\right)$  

•  $2a^3+2a^2$  

•  $-2a^3-2a^2$  

•  $3a^3-6a^2$  

•  $5a^3-5a^2$  

Tags

CCSS.HSA.APR.A.1

 $\left(2a^2-3a\right)+\left(a^2-5a\right)$  

•  $3a^2+8a$  

•  $a^2-8a$  

•  $3a^2-2a$  

•  $3a^2-8a$  

Tags

CCSS.HSA.APR.A.1

 $\left(2-n^2+3n\right)+\left(4n^2+6-8n\right)$  

•  $5n^2+11n+8$  

•  $3n^2-5n+8$  

•  $3n^2+5n-4$  

•  $5n^2+3n-11$  

Tags

CCSS.HSA.APR.A.1

 $\left(2x-4+x^2\right)-\left(3x^2+3-7x\right)$  

•  $4x^2-9x-1$  

•  $-2x^2+9x-7$  

•  $2x^2-9x+7$  

•  $-4x^2-5x-7$  

Tags

CCSS.HSA.APR.A.1

 $\left(z^2-6z+9\right)-\left(2z^2+z-7\right)$  

•  $3z^2-5z-2$  

•  $-z^2-7z+16$  

•  $3z^2+5z+2$  

•  $7z^2+5z+2$  

Tags

CCSS.HSA.APR.A.1

 $\left(a^2-6a+9\right)+\left(2a^2+a-7\right)$  

•  $3a^2-5a-2$  

•  $-a^2-7a+16$  

•  $3a^2+5a+2$  

•  $7a^2+5a+2$  

Tags

CCSS.HSA.APR.A.1