Sec 3 A Math Binomial Theorem

Which correctly shows 5!

• 5*5*5*5*5

• 5*4*3*2*1

• 5*4*3*2*1*0

• 4*3*2*1

Choose the right Pascal's triangle

• 
• 
• 
• 

Expand: $\left(a-b\right)^5$  

•  $a^5+5a^4b+10a^3b^2+10a^2b^3+5ab^4+b^5$  

•  $a^5-5a^4b+10a^3b^2-10a^2b^3+5ab^4-b^5$  

•  $a^5-5a^4b+10a^2b^3-10a^3b^2+5ab^4-b^5$  

•  $a^5-5a^4b-10a^3b^2-10a^2b^3-5ab^4-b^5$  

Use the binomial theorem to expand  $\left(4-2z\right)^3$  

•  $64-96z+48z^2+8z^3$  

•  $64-96z+48z^2-8z^3$  

•  $64+96z+48z^2+8z^3$  

•  $64-64z+144z^2-8z^3$  

What would be the 5th term of the expansion of (n+4)⁴?

• 257

• 256

• n⁴

• 259

What would be the 2nd term of the expansion of (y+4)⁴?

• 253y

• 16y³

• 64y

• 96y²

What would be the 4th term of the expansion of (a+3)⁴?

• 108a

• 12a³

• 81

• 27a

Find the coefficient of the x⁵ term in (5x+1)¹¹.  

• 1443750x⁵
• 1443750
• 7218750x⁵
• 7218750