Why are there no extraneous solutions when solving linear equations or quadratic equations? A) Linear equations which represent vertical lines have an infinite number of extraneous solutions B) when a linear equation represents a non-vertical line there is only one solution. A quadratic equation may have 0 roots, two equal roots for one solution, or two unequal roots for two solutions C) linear and quadratic equations have no extraneous solutions because their graphs always intersect the x axis D) linear and quadratic equations have no extraneous solutions because they are easy to solve

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