Chapter 4: Implied Main Ideas Mastery Test 2
Click on the correct answer.
2. (1) A line graph shows changes, especially changes over specific time periods. (2) It might show outdoor
temperatures hour by hour, or weight loss week by week. (3) Bar graphs display and compare amounts: the higher or
longer a bar, the greater the amount. (4) A bar graph might show, for instance, the number of male and female smokers
in several age groups, or death rates from various causes. (5) A circle or "pie' graph shows parts of a whole. (6) Each
sector of the circle-each wedge of the pie-is one part. (7) Circle graphs are often used for budgets: 50 percent for
rent, 25 percent for food, and so on. (8) They're also used for polls: for instance, 45 percent "yes," 40 percent "no," and
15 percent "undecided."
The implied main idea of the selection is
a. The sectors of a circle graph look like wedges of a pie,
b. Line graphs, bar graphs, and circle graphs are used to show different kinds of information
c. Line graphs are the most useful kind of graph,
d. We often see line graphs, bar graphs, and circle graphs in newspapers, magazines, and textbooks.
O of 1 answers correct