Concept explainers
a.
To write an integer to represent the elevation provided in the table.
a.

Answer to Problem 51E
The table is obtained as:
Site | Elevation relative to sea level |
Helike, Greece | 3 meters below |
Heraklion, Egypt | 8 meters below |
Port Royal, Jamaica | 12 meters below |
Unnamed city, Bay of Bengal | 37 meters below |
Explanation of Solution
Given information:
The table provided in the question,
Site | Elevation relative to sea level |
Helike, Greece | 3 meters below |
Heraklion, Egypt | 8 meters below |
Port Royal, Jamaica | 12 meters below |
Unnamed city, Bay of Bengal | 37 meters below |
Calculation:
From the table, it can be observed that the elevation relative to sea level is below. So, if elevation relative to sea level is below, use negative sign for it and for above sea level, positive sign is used.
Hence, writing an integer to represent the elevation provided in the table is obtained as:
Site | Elevation relative to sea level |
Helike, Greece | 3 meters below |
Heraklion, Egypt | 8 meters below |
Port Royal, Jamaica | 12 meters below |
Unnamed city, Bay of Bengal | 37 meters below |
b.
To graph the integers on number line.
b.

Answer to Problem 51E
Explanation of Solution
Given information:
The table provided in the question,
Site | Elevation relative to sea level |
Helike, Greece | 3 meters below |
Heraklion, Egypt | 8 meters below |
Port Royal, Jamaica | 12 meters below |
Unnamed city, Bay of Bengal | 37 meters below |
Graph:
From the above table, it can be observed that the integers which represent the elevation relative to sea level are
Graph the integers on the number line and the graph is obtained as:
c.
To identify the site whose deepest point is farthest from the sea level.
c.

Answer to Problem 51E
Unnamed city, Bay of Bengal is the site which is deepest from the sea level.
Explanation of Solution
Given information:
The table provided in the question,
Site | Elevation relative to sea level |
Helike, Greece | 3 meters below |
Heraklion, Egypt | 8 meters below |
Port Royal, Jamaica | 12 meters below |
Unnamed city, Bay of Bengal | 37 meters below |
From the above table, it can be observed that the integers which represent the elevation relative to sea level are
The number line is obtained as:
From the above number line, it can be observed that
Hence,
Unnamed city, Bay of Bengal is the site which is deepest from the sea level.
d.
To identify the site whose deepest point is farthest from the sea level.
d.

Answer to Problem 51E
Polonia is closer to the sea-level than the deepest point of the ruins at Helike, Greece.
Explanation of Solution
Given information:
The table provided in the question,
Site | Elevation relative to sea level |
Helike, Greece | 3 meters below |
Heraklion, Egypt | 8 meters below |
Port Royal, Jamaica | 12 meters below |
Unnamed city, Bay of Bengal | 37 meters below |
1 meter above sea-level can be represent by the integer
Hence,
Polonia is closer to the sea-level than the deepest point of the ruins at Helike, Greece because
Chapter 1 Solutions
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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