To Find: The equation of the parabola
Answer to Problem 84E
The equation of the parabola is
Explanation of Solution
Given information:The equation of the parabola
Concept used:Gaussian Elimination is the process of using valid row operations on a matrix until it is in reduced row echelon form
Calculation:
The graph
When
When
When
This produces the following system of linear equations
Adding -1 times the second equation to the third equation
Adding
Adding the first equation to the
Adding the first equation to the
Multiplying the third equation by
From
Finally, substitute
The solution of this system is
Chapter 7 Solutions
Precalculus with Limits: A Graphing Approach
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