Math 112
Reyes
Calculator allowed
Name: ___________________________
Review: CHAPTER 8
Show complete work on a separate sheet.
You need to show the steps for full credit.
1. a) The table below show the percents of the distribution of large dams by state. Fill
in the table. Round to the nearest whole degree.
b) Draw a circle graph with the information.
2. Complete the ordered pair solutions for the equation: x  y  1
a) (2, ___)
b) (5,___)
c) (___, 0)
3. Determine whether the ordered pair is a solution of the given linear equation.
(0, 2): 5 y  2 x  10
4. Graph the linear equation: x  y  2 . Show a table of ordered pairs used.
5. Graph the linear equation: y  6 x . Show a table of ordered pairs used.
6. The horizontal bar graph shows the population of the world’s largest cities
(including their suburbs).
a) Name the city with the second largest population.
b) Estimate this population.
7. Plot the following ordered pairs:
1

(4, 6) ;  3, 4  ; (7, 2) ; (3, 5) ; (0, 3) ; (5, 0)
2

8. The circle graph shows the costs of adding an art studio to an existing building.
Find the ratio of the cost of the windows to the total remodeling cost.
9. The line graph shows the average number of goals per World Cup game during the
years shown. Between 1998 and 2002, did the average number of goals per game
increase or decrease?
10. Graph the linear equation:
a) x  2
b) y  3
11. The pictograph shows the number of acres devoted to wheat production in
selected states. Approximate the number of acres of wheat planted in state B.
12. The circle graph shows the percent of the types of books available in a library.
If the library has 244,000 books, find how many are classified as Nonfiction.
13. The histogram shows the projected ages of householders in the near future.
How many householders will be 25-34 years old?
14. Graph the linear equation: y  4 x  5 . Show a table of ordered pairs used.
15. Graph the linear equation: y  2 x  1 . Show a table of ordered pairs used.