Chapter 4 Quiz Review

Simplify the sum.

(4u³ + 4u² + 2) + (6u³ – 2u + 8)

• 10 – 2u + 4u²+ 10u³

• –2u³ – 2u² + 4u – 10

• –2u³ + 4u² – 2u + 10

• 10u³ + 4u² – 2u + 10

Simplify the expression. $-4x^3\ 2y^{-2}\ 5y^5\ x^{-8}$  

•  $-\frac{40y^3}{x^5}$  

•  $-\frac{x^2}{40y^3}$  

•  $-\frac{2x^5}{5y^3}$  

•  $-\frac{5y^3}{2x}$  

3p⁴(4p⁴ + 7p³ + 4p + 1)

• 12p⁸ + 3p⁷ + 4p⁵ + p⁴

• 12p⁸ + 21p⁷ + 12p⁵ + 3p⁴

• 7p⁸ + 10p⁷ + 7p⁵ + 4p⁴

• 12p¹⁶ + 21p¹² + 15p⁴

 $\left(3xy^3\right)^2\ \left(xy\right)^6$  

•  $9x^8y^{12}$  

•  $3x^8y^{12}$  

•  $2x^3y^{12}$  

•  $9x^8y^9$  

8x²(4x² + 4y⁶)

• 12x⁴ + 12x²y⁶

• 32x⁴ + 32x²y⁶

• 12x⁴ + 12x²y⁶

• 32x⁴ + 32xy⁸

 $\frac{m^{-6}n^{-3}}{m^{-13}n^{-1}}$  

•  $\frac{n^{-9}}{n^{-14}}$  

•  $m^3n^{12}$  

•  $\frac{m^7}{n^2}$  

•  $m^7n^2$  

2n(n² + 3n + 4)

• 2n³ + 6n² + 8n

• 2n³ + 3n + 4

• 2n³ + 6n + 8

• n² + 5n + 4

8p(–3p² + 6p – 2)

• –5p³ + 14p² – 6p

• 48p² – 16p – 24p³

• 14p² – 6p – 5p³

• –24p³ + 48p² – 16p

 $\left(8m+7\right)^2$  

•  $16m^2+112m-49$  

•  $64m^2+112m+49$  

•  $64m^2+56m-49$  

•  $6m^2-112m+49$  

7a³(5a⁶ – 2b³)

• 12a⁹ – 9a³b⁶

• 35a⁹ – 14ab⁶

• 35a⁹ – 14a³b³

• 12a¹⁸ – 9a³b⁶