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1.1 Inductive Reasoning (Solutions).notebook November 05, 2015 Chapter 1 Inductive and Deductive Reasoning 1.1 Making Conjectures: Inductive Reasoning

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1.1 Inductive Reasoning (Solutions).notebookChapter 1 
Here are three possible answers:
7.21.1
• If the first three colours in a sequence are red, orange, and yellow,   what colours might be found in the rest of the sequence? Explain.
EXPLORE...
PREMISE  an assumption, law, rule, widely held idea, or observation.
We reason INDUCTIVELY or DEDUCTIVELY from premises to obtain a CONCLUSION. The premises and conclusion make up a LOGICAL ARGUMENT.
A number of examples are gathered and a PATTERN is found. This pattern is used to make an educated guess, generalization,  or conjecture about the data.
Conjecture:  A testable expression that is based on available evidence  but is not yet proved.
Like most guesses, educated or not, it may or may not be true.   It takes just one example that does not work in order to prove the conjecture false.
1.1 Inductive Reasoning (Solutions).notebook November 05, 2015
Examples: Write a conjecture that describes the pattern. Use the conjecture to find the next item in the sequence.
1) Movie show times: 3:00, 4:15, 5:30, 6:45, . . . Conjecture:
3) 4, 10, 18, 28, 40, . . . Conjecture:
2) 10, 4, -2, -8, . . . Conjecture:
4)
Conjecture:
Example 2: 
a) Make a conjecture about the product of two odd integers.
b) Do you find our conjecture convincing?  Why or why not?
1.1 Inductive Reasoning (Solutions).notebook November 05, 2015
Example 3:
Make a conjecture about the difference between  consecutive perfect square.
With inductive reasoning, making a conjecture and then  amending it based on new information is common.  
The most we can say about a conjecture derived from inductive  reasoning is there is evidence to support it or deny it.
A conjecture may be revised, based on new evidence. 
Validity of Conjectures
COMPLETE:
p. 12
# 2, 3, 5, 6, 8(a), 9, 11, 12, 15 (how might they have been inductive reasoned) 16, 17
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