G7Q2 CU 2: Addition and Subtraction of Polynomials

 $2a^2-3a^2+7a^2-5a^2\ =$  

•  $a^2$  

•  $-a^2$  

•  $3a^2$  

•  $17a^2$  

Tags

CCSS.7.EE.A.1

 $14m-3n–5m+13n\ =$  

• 35mn

• 19mn

• 9m + 10n

• 19m + 16n

Tags

CCSS.7.EE.A.1

 $4a^2b\ -\ 8ab^2\ +\ 2a^2b\ +\ 5ab^2\ =$  

•  $3a^2b\ -\ 6ab^2$  

•  $3a^2b\ +\ 6ab^2$  
  

•  $6a^2b\ -\ 3ab^2$  
  

•  $6a^2b\ +\ 3ab^2$  

Tags

CCSS.7.EE.A.1

 $(2r-10p)+(r+7p)\ =$  

• r + 17p

• 3r - 3p

• 3r + 3p

• r - 3p

Tags

CCSS.HSA.APR.A.1

 $(x–8y–7z)\ –\ (2x–6y–4z)\ =$  

• -x - 14y - 11z

• -x - 2y - 3z

• 3x - 2y - 3z

• x + 2y + 3z

Tags

CCSS.HSA.APR.A.1

 $(3x^2-x)-(-4x^3+x^2-8)\ =$ 

• $-4x^3\ -\ 2x^2\ -x\ +\ 8$

• $4x^3\ +\ 2x^2\ -x\ +\ 8$

• $4x^3\ -\ 2x^2\ -8x$

• $4x^3\ -\ 2x^2\ -x\ +\ 8$

Tags

CCSS.HSA.APR.A.1

(pq – 2rs + 2pr) – (2pq + rs – pr) =

• pq - 3rs + 3pr
  

• - pq - 3rs + 3pr

• 3pq - rs + pr

• 3pq - 2rs + pr

Tags

CCSS.HSA.APR.A.1

Sonia bought 8 pens at x pesos each and 24 notebooks at y pesos each. If her mother gave her Php (15x + 35y), how much of her money is left?

• -7x - 11y

• 7x + 11y

• 23x + 59y

• 23x - 59y

Tags

CCSS.7.EE.A.1

Sonia's mother gave her Php (15x + 35y) to buy 8 pens at x pesos each and 24 notebooks at y pesos each. Which among the algebraic expressions below represents the amount of money left for Sonia?

• (15x + 35y) - (8x + 24y) =

• (15x + 35y) + (8x + 24y) =

• (8x + 24y) - (15x + 35y) =

• (8x + 24y) + (15x + 35y) =

Tags

CCSS.HSA.APR.A.1

Three sides of a triangle measure (3x-5y), (5x+8y), and (2x-y). What is the perimeter of the triangle?

• -10x - 2y

• -10x + 2y

• 10x + 2y

• 10x - 2y

Tags

CCSS.7.EE.A.1