
To explain: the method to solve a

Answer to Problem 56HP
This is because, the zeros of the quadratic function, which are the x -intercept of the graph are the roots of the quadratic equation.
Explanation of Solution
Given:
Solve a quadratic equation by graphing its related quadratic function.
Calculation:
To solve a quadratic equation, the graphing of the related quadratic function is very much helpful. This is because, the zeros of the quadratic function, which are the x -intercept of the graph are the roots of the quadratic equation. So, if the roots of the quadratic function are also known, these will be the roots of the quadratic equation, or the solution of the quadratic equation.
Therefore, the quadratic equation is:
Hence, This is because, the zeros of the quadratic function, which are the x -intercept of the graph are the roots of the quadratic equation.
Chapter 4 Solutions
Glencoe Algebra 2 Student Edition C2014
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