To find: the solutions algebraically for the system of equations and then verify the answer by graphing each system. Round to the nearest tenth.
Answer to Problem 21E
Explanation of Solution
Given information:
Calculation:
Solve equation (1) as follows:
Substitute the value of
Substitute each value of
Thus, the solutions
Now use graphing calculator to plot equation (1) and (2) on same screen as shown below.
The solution
Chapter 10 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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