D2 U4A Adding and Subtracting Polynomials

When adding and subtracting polynomials, you need to combine like terms.

• True

• False

Tags

CCSS.HSA.APR.A.1

Simplify.

 $7x^2+2x^3-2y-5+8x^3+x^2+6y$  

•  $18x^3+4x^2$  

•  $10x^3+8x^2+4y-5$  

•  $10x^3+8x^2+8y-5$  

•  $10x^3+7x^2+4y-5$  

Tags

CCSS.7.EE.A.1

Find the sum.

 $\left(2m^3-6+8m^4\right)+\left(6+7m^3\right)$  

•  $8m^4+9m^3$  

•  $8m^4+15m^3$  

•  $15m^4+9m^3+6$  

•  $8m^4+5m^3$  

Tags

CCSS.HSA.APR.A.1

Tags

CCSS.HSA.APR.A.1

Given (6x + 8) and (-13x - 9). Find the sum.

• $-7x-1$

• $7x-1$

• $-7x-17$

• $19x-1$

Tags

CCSS.HSA.APR.A.1

Given (6x + 8) and (-13x - 9). Find the difference.

•  $-7x+17$ 

• $7x-1$

• $-7x-17$

•  $19x+17$ 

Tags

CCSS.HSA.APR.A.1

Simplify each expression.

 $\left(6b^4-4b+b^3\right)-\left(-5b+b^3+2b^5\right)$  

•  $-2b^5+6b^4+b$  

•  $2b^5+6b^4+b$  

•  $-2b^5+6b^4+2b^2+b$  

•  $-3b^5+6b^4+b$  

Tags

CCSS.HSA.APR.A.1

Simplify each expression.
 $\left(-5n^5+6n+3\right)+\left(8n+6-6n^5\right)$  

•  $-11n^5+14n+9$  

•  $-11n^5+14n+12$  

•  $-11n^5+8n+9$  

•  $-11n^5+8n+12$  

Tags

CCSS.HSA.APR.A.1

What is the perimeter of the rectangle?

• $x^2+8x-5$

• $2x²+16x-10$

• $2x²+10x-8$

• $6x-2$

Tags

CCSS.HSA.APR.A.1

What is the perimeter of the triangle shown?

• $9r^2+r-5$

• $9r^4+r^2-4$
  

• $9r^2-r+4$
  

• $9r^2+r-4$
  

Tags

CCSS.HSA.APR.A.1