When solving a quadratic equation, what is the difference between a root and a solution?
A. The solution is expressed as x=a where a is a number. The root is expressed as an ordered pair.
B. For a quadratic equation, the root is the same as the solution.
C.The root is expressed as x=a where a is a number. The solution is expressed as an ordered pair.
D. The root is where the graph of the quadratic equation crosses the x -axis. The solution of the quadratic equation is where the graph crosses the y-axis.