2
The Real Number
System
2.7 Properties of Real Numbers
Objective
s
1. Use the commutative properties.
2. Use the associative properties.
3. Use the identity properties.
4. Use the inverse properties.
5. Use the distributive property.
Use the Commutative
2
The Real Number
System
2.8 Simplifying Expressions
Objective
s
1. Simplify expressions.
2. Identify terms and numerical coefficients.
3. Identify like terms.
4. Combine like terms.
5. Simplify expressions from word phrases.
Simplify Expressions
Example
Page 1 of 3
Group Work 1: CHAPTER 2
Student Name:
Student Name:
ID fi:
AurwLp. KEy
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Student Name:
tD #:
You must show vour work and mark vour final answers with a box around it for
Problems 1, 2,4 & 5.
1)
Evaluate (Find the value for)
,* (r)
(20 pts,
Page 1 of 5
Group Work
4: CHAPTER 5
Student Name 1:
Student Name 2:
tD #:
Student Name 3:
tD #:
tD #:
Decide whether the point or ordered pair (2, 5) is a solution of the following syitems. Show )tour
work and circle the correct answer on the right side.
Page 1 of 4
Group Work 2: CHAPTER 3
Student Name:
StudentName:
ID #:
ArVgwEE KEy
ID#:
Student Name:
ID #:
You must show vour work and mark vour final answers with a box around it.
1) Solve the equation 3(Zx + 1) = 5(x + 1)

ond stote the solution
set.
Page 1
Group Work
Student Name 1:
A/df
Student Name 2:
WER
of4
3:
CHAPTER 4
tD #:
K EY
!D #:
Student Name 3:
If possible. find
the
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x and yintercepts for each linear equation. Then graph each equation.
"rh
/ No
(Io
xintercepr, (yel
 (f. , O)
if y
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began in 19th century, Managerial accounting allows managers to compare the cost of the process inside
the firm vs purchasing the process from another firm. O