Factorial

Expand  $n!\$  

•  $n\times\left(n-1\right)\times\left(n-2\right)!$  

•   $n\times\left(n-1\right)\times\left(n-2\right)$  

•  $n\times\left(n+1\right)\times\left(n+2\right)!$  

•  $n\times\left(n+1\right)\times\left(n+2\right)$  

Which is a factorial?

• 3!
• 3a
• 3?
• 3*

Expand 6!

• 6+5+4+3+2+1

• 6^.5^.4^.3^.2^.1

• 4+5+6+7+8+9

• 6

simplify this

• 1

• a

• a+1

• 1/a

Tags

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is 4! called?

• Fabulous Four

• Final Four

• Four Factorial

• Four Factored

Simplify this

• 90

• 2

• 1/2

• none of these

Tags

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

6!

• 6
• 46656
• 720
• 21

0! =

• -1

• 0

• 1

• none

Evaluate: (6 - 5)!

• 1

• 11

• 720

• 600

Tags

CCSS.6.EE.A.2

Simplify this

• 6

• 30

• 1/5

• 1/6

Tags

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3