# Homework Hints 14-1

### Note: Homework Hints are given only for the Level 1 and Level 2 problems.

However, as you go through the book be sure you look at all the examples in the text. If you need hints for the Level 3 problems, check some sources for help on the internet (see the LINKS for that particular section. As a last resort, you can call the author at (707) 829-0606.

On the other hand, the problems designated “Problem Solving” generally require techniques that do not have textbook examples.

There are many sources for homework help on the internet.

Algebra.help
Here is a site where technology meets mathematics. You can search a particular topic or choose lessons, calculators, worksheets for extra practice or other resources.
http://www.algebrahelp.com/

Ask Dr. Math
Dr. Math is a registered trademark. This is an excellent site at which you can search to see if your question has been previously asked, or you can send your question directly to Dr. Math to receive an answer.
http://mathforum.org/dr.math/

Quick Math
This site provides online graphing calculators. This is especially useful if you do not have your own calculator.
http://www.quickmath.com/

The Math Forum @ Drexel
This site provides an internet mathematics library that can help if you need extra help. For additional homework help at this site, click one of the links in the right-hand column.
http://mathforum.org/

Problems 1-4
There are many problems throughout the text labeled IN YOUR OWN WORDS. Just relax; do not be afraid to give your opinion. For the most part, these questions do not have “right” or “wrong” answers. You should spend about five minutes in answering each of these questions.
Problems 5-6
See Example 6.
Problems 7-8
See Example 5.
Problems 9-10
You will use a circle graph to interpret information. See Example 8.
Problems 11-12
Read these scatter graphs just as you would a line graph.
Problems 13-17
See Figure 14.10.
Problems 18-23
This graph is a variation of bar graphs. Read the headings at the left and at the top.
Problems 24-27
See Example 1.
Problems 28-31
See Example 2.
Problems 32-35
See Example 4.
Problems 36-39
See Example 6.
Problems 40-41
See Example 4 for parts a and b. For part c, think about misuses of graphs.
Problems 42-43
See Example 8.
Problem 44
See Example 6.
Problem 45
See Figure 14.8.
Problems 46-51
These problems are about obtaining information by looking at a graph.
See Examples 5 and 7.