Quiz 1 - F Zero Product Rule G Identity(Addition H...

Quiz 1 Name: ________________________
Math 115 – 007
August 27, 2009
Clearly mark all answers where appropriate. Show all work. Partial credit may be given for work
shown, but full credit may not be given for correct answers with incomplete or incorrect work.
No calculators or outside assistance may be used during this quiz.
1. (8 points) Circle each polynomial below (there may be more than one correct answer)
a.
7 5
2
- + x x
b. 0
c.
) )( 3 )( 4 ( π + + - x x x
d.
x
x
1
2
+
e. x x +
f.
001 . 10 6789 4
3 3 10 99
+ + - x x x
g.
x x x x - + -
- 2 3 4
2 7 6
h.
2
2
-
+
x
x
2. (6 points) Match each equation with the name of the property of real numbers it
demonstrates.
a. a b b a + = + ______
b.
) ( ) ( bc a c ab =
______
c.
a a a = = 1 1
______
e. 0 = ab implies 0 = a or 0 = b ______
f. b b b = + = + 0 0 ______
g.
ac ab c b a + = + ) (
______
A. Associative Property (Addition) B. Associative Property (Multiplication)
C. Commutative Property (Addition) D. Commutative Property (Multiplication)
E. Distributive Property