Chapter 2-1, 3-6 and 6-2
Chapter 2-1, 3-6 and 6-2
Practice Worksheet
1. Complete the table: True or False?
If it meets the requirements, write the bi-conditional If False, draw counterexample
|Statement |If [pic], then [pic]and[pic] are vertical angles | |
|Contrapositive | | |
|Converse | | |
|Inverse | | |
|Bi-conditional? | | |
2. Complete the table: True or False?
If it meets the requirements, write the bi-conditional If False, draw counterexample
|Statement |If AM = MB, then M is the midpoint of [pic] | |
|Contrapositive | | |
|Converse | | |
|Inverse | | |
|Bi-conditional | | |
3. Consider the following statement: All freshmen are at least 13 years old
a. Reword this statement in if-then form:
_______________________________________________________________
b. Make a Euler diagram to illustrate the statement
c. If the given statement is true, what can you conclude from each of the following additional statements? Use the Euler/Venn diagram to help you! If no conclusion is possible say so.
i. Alex is 18 years old ____________________________
ii. Jen is a freshman ______________________________
iii. Jason is not a freshman _________________________
iv. Nick is 12 years old ____________________________
3. Consider the following statement: All my students love geometry
a. Reword this statement in if-then form
_______________________________________________________________
b. Make a Euler diagram to illustrate the statement
c. If the given statement is true, what can you conclude from each of the following additional statements? If no conclusion is possible, say so.
i. Sun Woo is my student ______________________________
ii. Steven loves geometry _____________________________
iii. Hector is not my student ___________________________
iv. Cathy does not love geometry _______________________
4. Using the given statement: Red Bull gives you wings.
a. Re-write the statement in “If, then” form __________________________
b. Create a second statement and
c. a valid conclusion that illustrates the correct use of the law of detachment
d. Write a statement and
e. a conclusion that illustrates the correct use of the law of syllogism.
5. On CNN there is an ad that says, “If you want a fabulous vacation, try Malaysia.”
a. Write the converse, inverse and contrapositive of the conditional.
b. What do you think the advertiser wants you to conclude about vacations in Malaysia?
c. Does the ad actually say that vacations in Malaysia are fabulous? Comment on this.
** Advertisements can be misleading. They will imply that all four forms of the conditional are true, when they are not necessarily!
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