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Ch 2 Cumulative Gateway

 1. 

Let p represent                         x2 = 15
  and let q represent                 x is not a whole number.
Which is a representation of the statement below?
     If x is not a whole number, then  x2 = 15.
A)
~q ® ~p
B)
q ® ~p
C)
q ® p
D)
~q ® p
 

 2. 

The distance between the points (2, –2) and (7, 3) is:
A)
mc002-3.jpg
B)
10
C)
mc002-4.jpg
D)
50
 

 3. 

Assuming these statements are true,

Some teachers are young people.
All young people like to dance.

which of the following is a valid conclusion?
A)
Some young people do not like to dance.
B)
All young people are teachers.
C)
Some teachers like to dance.
D)
All teachers like to dance.
 

 4. 

The coordinates of the midpoint of mc004-1.jpg are (6, –4), and the coordinates of A are (3, –1). What are the coordinates of B?
A)
(9, 3)
B)
(0, 2)
C)
(9, –7)
D)
(4.5, –2.5)
 

 5. 

If j mc005-1.jpg k, and k mc005-2.jpg c, then:
A)
mc005-3.jpg
B)
mc005-4.jpg
C)
mc005-5.jpg
D)
mc005-6.jpg
 

 6. 

Consider the following statement.
          If 4x = 12, then x = 3.
Which is the converse of the statement?
A)
If 4x ¹ 12, then x ¹ 3
C)
If x ¹ 3, then 4x ¹ 12
B)
If x = 3, then 4x ¹ 12
D)
If x = 3, then 4x = 12.
 

 7. 

Statement: If lines are skew, then they are not coplanar..

What is the contrapositive of the statement?

A)
If lines are coplanar, then they are not skew.
B)
If lines are not coplanar, then they are skew.
C)
If lines are skew, then they are coplanar.
D)
If lines are not skew, then they are coplanar.
 

 8. 

Let a represent “x is an even number”.
Let b represent “x is a multiple of 3”.

When x is 7, which of the following is true?
A)
~a ^ b
B)
a ^ b
C)
~a ^ ~b
D)
a ^ ~b
 

 9. 

Which of the following groups of statements represents a valid argument?
A)
Given: All kites have angles.
            All squares have angles.
Conclusion: All kites are squares.
B)
Given: All four sided figures are quadrilaterals.
            All kites have four sides.
Conclusion: All kites are quadrilaterals.
C)
Given: All quadrilaterals have four sides.
            All kites have four sides.
Conclusion: All quadrilaterals are kites.
D)
Given: All squares have congruent angles.
            All rectangles have congruent angles.
Conclusion: All rectangles are squares.
 

 10. 

Consider the following arguments. If the first two statements are true, in which argument is the 3rd statement an incorrect conclusion?
A)
1 If we win the game, then we will win the championship.
2 If we win the championship, then we will get a trophy.
3 If we do not get a trophy, then we did not win the game.
B)
1 If Pete eats her peas, then she will get cake.
2 If Pete gets cake, then she will watch SpongeBob.
3 If Pete eats her peas, then she will watch SpongeBob.
C)
1 If it snows, then we will stay inside.
2 If we stay inside, then we will play games.
3 If it snows, then we will play games.
D)
1 If Vicki studies, then she will pass the test.
2 If Vicki passes the test, then she will not be grounded.
3 If Vicki is grounded, then she will study.
 

 11. 

Which is the inverse of the statement, If I am in Richmond, then I am in Virginia?
A)
If I am not in Richmond, then I am not in Virginia.
B)
If I am not in Virginia, then I am not in Richmond.
C)
If I am in Virginia, then I am in Richmond.
D)
If I am not in Virginia, then I am in Richmond.
 

 12. 

Which of the following statements represents a valid argument?
A)
If a < b and a < c, then b < c.
C)
If a < b and a < c, then a < b + c.
B)
If a < b and b < c, then a < c.
D)
If a > b and a > c, then c > b.
 

 13. 

Which is the converse of the sentence, “If Theresa leaves, then I will stay.”?
A)
If I stay, then Theresa will leave.
B)
If Theresa does not leave, then I will not stay.
C)
If Theresa leaves, then I will not stay.
D)
If I do not stay, then Theresa will not leave.
 

 14. 

Which conclusion logically follows the true statements?

        If negotiations fail, the baseball strike will not end.
        If the baseball strike does not end, the World Series will not be played.

A)
If negotiations fail, the World Series will be played.
B)
If negotiations fail, the World Series will not be played.
C)
If negotiations do not fail, the baseball strike will not end.
D)
If the baseball strike ends, the World Series will be played.
 

 15. 

Let p represent                           mc015-1.jpg
and let q represent               z is a rational number.

Which choice is a representation of the statement below?

                            If
mc015-2.jpg ¹ z, then z is a rational number.
A)
~p ® q
B)
p ® q
C)
~p ® ~q
D)
p ® ~q
 

 16. 

Which is the contrapositive of the statement below?
  If you do your homework, then you will be prepared for the test.
A)
If you did not do your homework, then you will not be prepared for the test.
B)
If you are prepared for the test, then you did your homework.
C)
If you do your homework, then you will be prepared for the test.
D)
If you are not prepared for the test, then you did not do your homework.
 

 17. 

Which pair of angles is supplementary?
A)
mc017-1.jpg
C)
mc017-3.jpg
B)
mc017-2.jpg
D)
mc017-4.jpg
 

 18. 

Given:
B, C, and D are collinear;
mc018-1.jpgACD = 84°


What value of x will ensure that A, C, and E are also collinear?
mc018-2.jpg
A)
104°
B)
96°
C)
84°
D)
76°
 

 19. 

In which group of statements is the conclusion not justified by the previous pair of statements?
A)
All raphidaes are extinct.
A rodrigues solitaire is a raphidae.
All rodrigues solitaires are extinct.
C)
All fish live in the water.
Some frogs live in the water.
Some frogs are fish.
B)
All squares are parallelograms.
All parallelograms are quadrilaterals.
All squares are quadrilaterals.
D)
All rangers work in the park.
Sally is a ranger.
Sally works in the park.
 

 20. 

Let p = An equation is of the form mc020-1.jpg.
Let q = Its graph is a line.

Argument:      If an equation is of the form mc020-2.jpg, then its graph is a line.
      The graph is not a line.
      Therefore, the equation is not of the form
mc020-3.jpg.

Which of the following is the symbolic representation of the given argument?
A)
mc020-4.jpg
B)
mc020-5.jpg
C)
mc020-6.jpg
D)
mc020-7.jpg
 

 21. 

If the conditional statement
       “If you have a MP3 player, then you have music”
is represented by p ® q, what is the symbolic representation of
       “If you have a MP3 player, then you do not have music”?
A)
~q ® p
B)
~q ® ~p
C)
q ® ~p
D)
p ® ~q
 

 22. 

What is the contrapositive of the following statement?

If Joe goes fishing, then he needs bait.
A)
If Joe goes fishing, then he does not need bait.
B)
If he needs bait, then Joe goes fishing.
C)
If Joe does not go fishing, then he does not need bait.
D)
If he does not need bait, then Joe does not go fishing.
 

 23. 

The coordinates of the midpoint of  mc023-1.jpg are:
mc023-2.jpg
A)
mc023-4.jpg
B)
mc023-5.jpg
C)
(2, 5)
D)
(5, 3)
 

 24. 

Consider the following statements.

p: The sum of two angles is 180°.
q: The two angles are supplements.

Which of the following is a symbolic representation of the statement:
       “If sum of two angles is 180°, then the two angles are not supplements”?
A)
~q ® p
B)
p ® ~q
C)
q ® ~p
D)
~q ® ~p
 

 25. 

Which set of statements represents an invalid argument?
A)
If I sleep in, then I will miss school.
If I miss school, then I will get grounded.
If I sleep in, then I will get grounded.
B)
If it is your birthday, then you will get ice cream.
If you will get ice cream, then you will get cake.
If it is your birthday, then you will get cake.
C)
If John goes camping, then he will go fishing.
If John goes fishing, then he will buy bait.
If John does not buy bait, then he will go camping.
D)
If we pass Geometry, then we will play sports.
If we play sports, then we will get a trophy.
If we do not get a trophy, then we did not pass Geometry.
 



 
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