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WorksheetsChapter 2 #1
Total questions: 50
Worksheet time: 53mins
Name
Class
Date
1.
This symbol, ∨, means?
a)
and
b)
or
c)
not
d)
implies
2.
All basketball players in your school are tall, so all basketball players must be tall.
a)
Deductive
b)
Inductive
3.
Sarah just moved here from Chicago, and she has blue eyes. Therefore, all people from Chicago have blue eyes.
a)
Deductive
b)
Inductive
4.
Inductive Reasoning means...
a)
Guessing
b)
Testing and observing patterns to make conjectures
c)
Explaining why
d)
Ura nok seblu!
5.
Find the next item in the pattern:
-3, 6, -12, 24, ...
-3, 6, -12, 24, ...
a)
36
b)
-36
c)
48
d)
-48
6.
Every time you eat shellfish, your throat swells up and you can't breathe. So, you are allergic to shellfish.
a)
Deductive
b)
Inductive
7.
If it is a triangle then it has three sides.
What is the hypothesis?
What is the hypothesis?
a)
it is a polygon
b)
it is a triangle
c)
it has three sides
d)
a triangle is a polygon
8.
If it is a triangle then it has three sides.
What is the conclusion?
What is the conclusion?
a)
it is a triangle
b)
it is a polygon
c)
it has three sides
d)
the polygon is a triangle
9.
A conjuction is a compound statement that uses _________ to join two statements
a)
and
b)
or
c)
nor
d)
without
10.
A disjuction is a compound statement that uses _________ to join two statements
a)
and
b)
or
c)
nor
d)
without
11.
If a conditional statement has the word 'if' then it can be considered the ____?
a)
true statement
b)
conclusion
c)
false statement
d)
hypothesis
12.
If a conditional statement has the word 'then', it can be considered the ____?
a)
true statement
b)
conclusion
c)
false statement
d)
hypothesis
13.
The image in an example of a _____?
a)
Logical Equivalent Table
b)
Related Conditional Table
c)
Truth Table
d)
Conditional Table
14.
Complete the conjecture.
The sum of two negative numbers is ___________.
The sum of two negative numbers is ___________.
a)
positive
b)
negative
c)
odd
d)
even
15.
Inductive or deductive?
People who start school younger tend to struggle socially. Jenny is starting school early so it's likely she won't fit in easily.
People who start school younger tend to struggle socially. Jenny is starting school early so it's likely she won't fit in easily.
a)
Inductive
b)
Deductive
16.
Find KL.
a)
18
b)
15
c)
6
d)
20
17.
Given, "If I have a Siberian Husky, then I have a dog." Identify the hypothesis.
a)
If I have a Siberian Husky.
b)
I have a Siberian Husky.
c)
Then I have a dog.
d)
I have a dog.
18.
Given, "If I have a Siberian Husky, then I have a dog." Identify the conclusion.
a)
If I have a Siberian Husky.
b)
I have a Siberian Husky.
c)
Then I have a dog.
d)
I have a dog.
19.
When taking the converse we ___________ the hypothesis and conclusion.
a)
negate
b)
switch
c)
leave the same
d)
switch and negate
20.
When taking the inverse we _____________ the hypothesis and conclusion.
a)
negate
b)
switch
c)
switch and negate
d)
leave the same
21.
Given, "If angles are congruent, then the measures of the angles are equal." Identify the contrapositive.
a)
If the measures of the angles are equal, then the angles are congruent.
b)
If angles are not congruent, then the measures of the angles are not equal.
c)
If the measures of the angles are not equal, then the angles are not congruent.
d)
If the angles are not congruent, then the measure of the angles are equal.
22.
Given, "If angles are congruent, then the measures of the angles are equal." Identify the converse.
a)
If the measures of the angles are equal, then the angles are congruent.
b)
"If angles are not congruent, then the measures of the angles are not equal."
c)
If the measures of the angles are not equal, then the angles are not congruent.
d)
If the angles are not congruent, then the measure of the angles are equal.
23.
Conditional: If Jenny buys a guitar, then she will not buy a keyboard.
What is this? If Jenny does buy a keyboard, then she will not buy a guitar.
What is this? If Jenny does buy a keyboard, then she will not buy a guitar.
a)
Converse
b)
Inverse
c)
Contrapositive
d)
Negation
24.
What is the if-then-form of the following statement? "It is time for dinner if it is 6 pm."
a)
If it is 6pm, then it is time for dinner.
b)
If it is time for dinner, then it is 6pm.
c)
If you want to eat dinner, then you must eat at 6pm.
d)
None of these are right
25.
Which of the following is the converse of the statement:
"If you are a guitar player, then you are a musician."
"If you are a guitar player, then you are a musician."
a)
If you are not a guitar player, then you are not a musician.
b)
If you are a musician, then you are a guitar player.
c)
If you are a guitar player, then you are not a musician.
d)
If you are not a musician, then you are not a guitar player.
26.
Which of the following is the inverse to the statement:
"If you diet and exercise, then you will lose weight."
"If you diet and exercise, then you will lose weight."
a)
If you don't diet and exercise, then you will not lose weight.
b)
If you don't diet and exercise, then you will lose weight.
c)
If you lose weight, then you dieted and exercised.
d)
If you don't lose weight, then you diet and exercise.
27.
When taking the inverse we _____________ the hypothesis and conclusion
a)
negate
b)
switch
c)
switch and negate
d)
keep the same
28.
Conditional: If it does not rain today, then we will have practice.
What is this statement called: If it rains today, then we will not have practice.
What is this statement called: If it rains today, then we will not have practice.
a)
Converse
b)
Inverse
c)
Contrapositive
d)
Negation
29.
Use inductive reasoning to choose the correct conjecture.14, 20, 26, 32, 38, ...
a)
each term adds 12
b)
each term increases by 8
c)
each term subtracts 6
d)
each term adds 6
30.
What is the conclusion of this statement?
If you want to be successful in geometry, then you need to do all of the homework
If you want to be successful in geometry, then you need to do all of the homework
a)
If you want to be successful
b)
You need to do all the homework
c)
then you need to do all the homework
d)
you want to be successful
31.
What is the hypothesis in this statement?
If you want to be fit, then you want to get plenty of exercise.
If you want to be fit, then you want to get plenty of exercise.
a)
you want to be fit
b)
if you want to be fit
c)
then get exercise
32.
What is this statement as a conditional?
Glass objects are fragile
Glass objects are fragile
a)
If made of glass, then it is fragile
b)
If glass is fragile, then it is an object
c)
If it is fragile, then it is made of glass
33.
What is a counterexample to the statement:
If you live in Cypress, then you were born in Texas.
If you live in Cypress, then you were born in Texas.
a)
You were born in Houston
b)
You were born in San Antonio
c)
You were born in Miami
d)
You were born in Cypress
34.
What is the conditional of the phrase:
Mammals have kidneys.
Mammals have kidneys.
a)
If you have kidneys, then you are a mamal
b)
If you are a mammal, then you have kidneys
c)
Kidneys have mammals
35.
What is a conditional statement that can be fromed this diagram?
a)
If the animal is a primate, then it is not a gorilla.
b)
If the animal is a primate, then it is a gorilla.
c)
If the animal is a gorilla, then it is a primate.
d)
If the animal is not a primate, then it is a gorilla.
36.
Write a counterexample for the following conditional:
If an electronic device has a screen then it is a television.
If an electronic device has a screen then it is a television.
a)
television
b)
cellular phone
c)
computer mouse
d)
keyboard
37.
What is a conditional statement that can be formed this diagram?
a)
If it is a rose, then it does not have thorns
b)
If it is a rose, then it has thorns
c)
If it has thorns, then it is a rose.
d)
If it has thorns, then it is not a rose.
38.
What is the hypothesis of the following statement: "If Johnny is late to school, then his mom will have to drive him."
a)
His mom will have to drive him
b)
If Johnny is late to school
c)
Johnny is late to school
d)
Then his mom will have to drive him
39.
What is the conclusion of the following statement: "The angles are supplementary, if they add up to 180 degrees."
a)
if they add up to 180 degrees
b)
the angles are supplementary
c)
they add up to 180 degrees
d)
there is no conclusion
40.
If p is false and q is true, find the truth value of:
~(~p ∨ q)
~(~p ∨ q)
a)
true
b)
false
41.
Since all humans are mortal, and I am human, then I am mortal.
a)
Deductive
b)
Inductive
42.
All bears are mammals, all mammals have kidneys; therefore all bears have kidneys.
a)
Deductive
b)
Inductive
43.
Veterinarians have stated that all cats have a keen sense of smell. Fluffy is a cat, so Fluffy has a keen sense of smell.
a)
Deductive
b)
Inductive
44.
Snakes are reptiles and reptiles are cold blooded; therefore, snakes are cold blooded.
a)
Deductive
b)
Inductive
45.
Obtuse angles are greater than 90 degrees. This angle is 110 degrees, so it is obtuse.
a)
Deductive
b)
Inductive
46.
The meteorologists have stated that the windstorms in this area all come from the north. I can see a big cloud of dust caused by a windstorm in the distance; so, a new windstorm is coming from the north.
a)
Deductive
b)
Inductive
47.
All cars have at least two doors. A Ford Focus is a car, so the Ford Focus has at least two doors.
a)
Deductive
b)
Inductive
48.
What is the correct answer?
a)
1
b)
4
c)
3
d)
2
49.
A man on a park bench is looking at a small portrait. You ask him, "Who is that in the picture?"
The man says, "Brothers and sisters, I have none, but that man's father, is my father's son."
Can you tell what person is in the picture?
The man says, "Brothers and sisters, I have none, but that man's father, is my father's son."
Can you tell what person is in the picture?
a)
his father
b)
his son
c)
his grandfather
d)
his grandson
50.
How many Harry Potter movies are there?
a)
5
b)
9
c)
8
d)
7
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