2
Section A: Operations With Real Numbers
A.1 Evaluating Numerical Expressions
Evaluate each of the following numerical expressions without using a calculator:
1.
4.
1
31 41
1
3
1
2
2. 7 13 13 7
18 (
Math 172Quiz # 4
November 15, 2013 Name: SOlJilwW
Instructors: Pat Wrean & Leah Howard Total: 40 Points
1. [3 points] Calculate the following and write your answer in scientic
notation.
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Math 172 Quiz #6
December 4,2008 Name: Sotdm, see
Instructor: Patricia Wrean
Show all work to get full credit. Total: 40 pOints
l. Simplify the following, leaving any irrational answers in
Math L72*Quiz
November 1, 2013
Instructors: Pat Wrean & Leah Howard
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3
Name:
Total: 35 Points
1.
[5 points] Find the slope and the y-intercept of the line
use these to graph the line.
3r
*
:4
2g
and
Math 172 Section 2.3: Word Problems Worksheet
For the following word problems, write an expression for the second variable in terms of the first. Example: Alice and Barbara each buy a new lawnmower. A