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McGraw-Hill Math Grade 7 Answer Key Lesson 21.2 Line Graphs
Exercises
INTERPRET
Question 1.
The guide at the Abracadabra Falls Visitor Center tells you that their tourist season lasts all year, not just in the winter or summer. Does the graph shown support this? Why or why not?
Answer:
yes,
Explanation:
The above chart The guide at the Abracadabra Falls Visitor Center tells,
that their tourist season lasts all year, not just in the winter or summer.
Because there seems to be a steady increase in visitors with no seasonal ups and downs.
Question 2.
The Northern Hemisphere experiences winter from December until March. During these months, the Southern Hemisphere is experiencing summer. Looking at the graph shown, is the area represented located in the Northern Hemisphere or Southern Hemisphere?
Answer:
Northern Hemisphere,
Explanation:
The above graph shows monthly temperatures in Fahrenheit,
when we observe the graph the temperatures are increasing every month.
So, the area represented located in the Northern Hemisphere.
Question 3.
If you are planning a family vacation, what would be the best 2 months to avoid earthquakes, according to the graph below?
Answer:
Month 2 and Month 9,
Explanation:
The above graph shows the Number of Earthquakes per month.
The best 2 months to avoid earthquakes for planning a family vacation are,
2nd and 9th months to avoid earthquakes.
Question 4.
Would the graph below support the claim that New Zealand had cut down on its overall greenhouse emissions during the period of 1990 to 2004?
Answer:
No,
Explanation:
The graph above support the claim that New Zealand had not cut down,
on its overall greenhouse emissions during the period of 1990 to 2004.
Question 5.
Look at the population graph below. Which years represent a steep interval?
Answer:
1800-1810,
Explanation:
The above graph shows the Population of Abracadabra from 1770-1940.
1800-1810 we can see the steep interval in the population growth.
Question 6.
Approximately how many people lived in the Southern Region of the U.S. in 1966, according to the line graph below?
Answer:
60 million,
Explanation:
The above graph shows the Population of Southern Region of the U.S.
In 1966 about 60 million people lived in U.S.
Question 7.
The weather reporter forecasted a warming trend for the six-day period shown in the graph below. How accurate was the forecast?
Answer:
Good, it got warm by day 6.
Explanation:
The weather reporter forecasted a warming trend for the six-day period shown in the graph above.
The accurate was good as it got warm by day 6.
Question 8.
The red line in the graph below shows the price of a stock during the period of April to December. What was the approximate high price during the period of April to November?
Answer:
46,
Explanation:
The red line in the graph above shows the price of a stock during the period of April to December.
The approximate high price during the period of April to November is 46.