a.
To graph: The
The obtained graph is defined as,
  
Given Information:
The radius of mercury, mars, and earth is
Explanation:
Consider the given equation,
  
Substitute the given radius one by one.
  
Use the graphing calculator to draw the each graph by using the given radius of three planet.
  
Therefore, the above graph is the required graph.
b.
To determine: The equation representing the circular cross section through the center of each planet.
The obtained equations are defined as,
  
Explanation:
Consider the given equation,
  
Write the square of each equation.
  
Therefore, the above equations are the required cross section equations.
Chapter 10 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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