Re-Open: HW 1.2.2_Multiplying Polynomials

Simplify:

5(3x+2)

• 3x+10

• 15x+10

• 15x-10

• 3x-10

Tags

CCSS.6.EE.A.3

(x - 5)(x + 1)

• x² - 4x - 5
• x² + 6x - 5
• x² - 5x - 4
• x² - 4x - 4

Tags

CCSS.HSA.APR.A.1

(3x − 6)(7x + 7)

• 21x² − 63x + 42
• 21x² − 21x − 42
• 21x² − 42
• 21x² + 63x + 42

Tags

CCSS.HSA.APR.A.1

(x-3)(x²+2x+7)

• x³-x²+x-21
• x³+5x+13x-21
• x³-3x²+7x-21
• x²+2x-3

Tags

CCSS.HSA.APR.A.1

(5x+2y)(x²-3xy+6)

• 5x³ - 17x² y - 6xy² -30x +12y²

• 5x³ + 17x²y -6xy² - 30x +12y²

• 5x³ - 13x²y -6xy² - 30x +12y²

• 5x³ +13x²y - 6xy - 30x + 12y²

Tags

CCSS.HSA.APR.A.1

Find the product:
(5s+2)²

• 25s²+4
• 25s²+10s+4
• 25s²+20s+4
• 5s²+20s+4

Tags

CCSS.HSA.APR.C.4

Multiply:
(r + 7)(r − 7)

• r ² − 49 
• r ² - 14
• r ² − 7r + 49 
• r ² + 49 

Tags

CCSS.HSA.APR.C.4

Calculate the product:

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

•  $-3x^6-2x^5+18x^2+12x$  

•  $-3x^8-2x^4+18x^2+12x$  

•  $-3x^8+2x^4+18x^2+12$  

•  $2x^6+x^5+9x^2+8x$  

Calculate the product:

 $\left(2x^2+3x+1\right)\left(x^2-4x-4\right)$  

•  $2x^4-5x^3+21x^2+16x-4$  

•  $2x^4+5x^3+21x^2-16x+4$  

•  $2x^4-5x^3-19x^2-16x-4$  

•  $2x^4-5x^3-19x^2+16x+4$  

Find the area of the figure.

• $\left(2x^2+100\right)\ \ ft^2$

• $\left(2x+20\right)\ \ ft^2$

• $\left(x^2+100\right)\ \ ft^2$

• $\left(x^2+20x+100\right)\ \ ft^2$