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Math- Semester Exams
December 18, 2008
4
Mathematics
7th Grade
12/14/2008
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Term
7b+2a=
a=7
b=-6
 Definition
-42+14= -28
Term
(x^2)+4x+4=
x=-4
 Definition
(-4*-4)+4*(-4)+4=
16 + -16 +4
0 + 4= (4)
Term
What is the property illustrated?
8*2=2*8
 Definition
Commutative property of multiplication
Term
Name a rational number that is NOT an integer.
 Definition
4.63573572753576457985793845789535757
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