The Square Root Property
Remember:
Every positive number has 2 square roots a positive one and a negative
one.
Squaring and taking the square root are opposite operations and undo
each other.
Example 1:
The square root
of x2 is x.
64 has both a + and
a

Raising Your Hand in Your Online Math Class
Remember those good old days in high school
when your teacher was right there to help?
In many college classes,
its much harder to get your questions answered!
Its actually easier to get personalized attention
f

The Seven Steps to Success
1) Homework Helpers
2) Other Handy Helpers
3) Practice Tests
4) Review and Retake
5) Websites
6) Study Plan
7) Study Guide
MyMathLab
MyMathLab has a wealth of resources to make
your study of College Algebra easier.
MyMathLab
Eac

Reviewing Your Tests
Go into the gradebook and look for the test.
Tests have a green, diamond-shaped icon.
There should be link to Review the test.
Correct answers should have green checks
like Question 1 in this picture
Incorrect answers should have a re

ORNL/TM-2011/471
Effect of Weight and Roadway Grade
on the Fuel Economy of Class-8 Freight
Trucks
October 2011
Prepared by
Oscar Franzese, PhD
Senior Researcher
DOCUMENT AVAILABILITY
Reports produced after January 1, 1996, are generally available free via

Forum: If Only I Had a System
Applications of Systems of Linear Equalities
The Problem:
When students are surveyed about what makes a good math Forum, at least half of the
responses involve
"discussing how to work problems"
"seeing how this math applies t

Chapter 3
HEAVY TRUCKS
Page
Contents
What Types of Trucks Are in Each Truck Class? . 109
Heaviest Trucks Consume an Average of 6.5 Gallons per Thousand Ton-Miles . 110
United States Accounts for 61% of Medium/Heavy Truck Production in North America . 111