Math 091 Quiz 1 Name: 1. (1/2 mark each) Answer True or False. a

Math 091 Quiz 1
Name:
 No calculator permitted. Read the questions carefully. Clearly indicate your final answer.
 Use proper notation. Any fractions should be in simplified form (lowest terms).
1. (1/2 mark each) Answer True or False.
a) 6.232323... is an irrational number
_____________
b) Every whole number is a natural number. _____________
2. (4 marks) Write the given set using the roster method or interval notation, whichever is
appropriate. If the set is empty, write Ø.
a)
-5
b)
-4
-2
-1
-3
-2
-1
0
1
2
c)
x
5  x
d)
x
x is an integer and x  3
0
3
1
4
2
5
3
6
4
7
Answer: _______________
Answer: _______________
Answer: ____________________

Answer: ____________________
3. (1/2 mark each) The multiplicative identity is _________ .
The multiplicative inverse of 3 is ______.
4. Choose a letter from the list on the left to indicate which property is being
demonstrated. Write the capital letter in the space provided. (1/2 mark each)
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
K.
Commutative Property of Addition
Commutative Property of Multiplication
Associative Property of Addition
Associative Property of Multiplication
Additive Identity Property
Multiplicative Identity Property
Property of Additive Inverses
Property of Multiplicative Inverses
Multiplication Property of 0
Multiplication Property of -1
Distributive Property
_____
_____
_____
_____
Turn page over
5. (9 marks) Evaluate. Be sure to show your work neatly and logically and use “=”
appropriately.


a) 3  10 2  6   32  5  2  2
10 2  8 2
b)
4  3  2  5 2
c)
25  (2)(3)(4)  6  1
1
1 2
3