Algebra-2

Question Analysis
This question tests the student's ability to solve a quadratic polynomial equation by graphing. The key is to identify the x-intercepts of the graph, which are the solutions to the equation.

Key Concept Explanation
The roots of a polynomial equation are the x-intercepts of its corresponding graph. For a quadratic equation, these roots can be found by factoring or using the quadratic formula, but in this context, they are identified by graphing.

Step-by-step Solution
1. Graph the function