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CONJUNCTION - The term discourse marker is mostly used for conjunctions joining sentences. A conjunction is a part of speech that connects words, phrases, or clauses that are called the conjuncts of the conjunctions.

Quadratic Equations consist of a variable of degree 2. In this video tutorial you can learn in detail about quadratic equations, Formulas, its general form, and also know how to solve the Quadratic Equations by using Algebra and more

An absolute value equation has no solution if the absolute value expression equals a negative number since an absolute value can never be negative.