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Agenda:
(mathematical induction, sequences and summations, see handout)
0.
We will have a quiz on block day
1.
Warmup (do on paper, not whiteboard)
2.
Lesson: 9.6
Counting Principals
_________________
Warmup
(do on paper, not whiteboard)
Prove by mathematical induction
±
² ³ ´ µ ´ µ
¶
´ µ
·
´ ¸ ´ µ
±¹º
² µ
±
» ³
¼
²
¼½º
²
¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¾¿
¼½ºÀ
_________________
Lesson: 9.6
Goal:
Use counting principals to determine the number of choices
DOD
Let
Á
º
and
Á
¶
be two events.
The first event
Á
º
can occur
Â
º
different ways.
After
Á
º
has occurred,
Á
¶
can occur
Â
¶
different ways.
The number of ways the two
events can occur is
Â
º
Ã Â
¶
_________________
Examples
How many different pairs of letters from the English alphabet are possible?
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Quiz on Block Day!
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 Spring '11
 byrns
 Math, Counting

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