August 2022
Intermediate to advanced
640 pages
15h 59m
English
Content preview from Algebra II All-in-One For Dummies
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Chapter 3
Handling Quadratic and Other Polynomial Equations
IN THIS CHAPTER
Rooting and factoring to solve quadratic equations
Breaking down equations with the quadratic formula
Squaring up the quadratic
Conquering advanced quadratics
Acting rational with the rational root theorem
Quadratic equations are some of the more common equations you see in the mathematics classroom. A quadratic equation contains a term with an exponent of two, and no term with a higher power. The standard form is 
.
In other words, this equation is a quadratic expression with an equal sign (see Chapter 1 for a short-and-sweet discussion on quadratic expressions). Quadratic equations potentially have two solutions. You may not find two, but you start out assuming that you’ll find two and then proceed to prove or disprove your assumption.
Quadratic equations are not only very manageable — because you can always ...
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