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Algebra S2 Vocab

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Term
Definition
Monomial   A single term.  
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Hypotenuse   The longest side of a right triangle.  
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Binomial   Two terms that are added or subtracted.  
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Axis of Symmetry   A vertical line containing the vertex of a parabola.  
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Trinomial   Three terms that are added or subtracted.  
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Rational Equation   An equation containing rational expressions.  
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Trigonometry   The study of the properties of triangles.  
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Distance Formula   The formula used to find the distance between two points.  
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Factoring   Expressing a polynomial as products.  
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Quadratic Formula   The formula that can be used to solve any quadratic equation.  
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FOIL Method   A way to multiply binomials.  
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Complex Fraction   A fraction within another fraction.  
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Inverse Variation   An equation where xy = k OR y = k/x.  
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Quadratic Equation   An equation where x is raised to the second power.  
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Direct Variation   An equation where y = kx.  
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Parabola   The graph of a quadratic function.  
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Similar Figures   Polygons with the same shape and proportional side lengths.  
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Radical   A symbol that means a non-negative square root.  
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Pythagorean Theorem   The relationship between the sides of a right triangle.  
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Irrational Number   As a decimal, a number that never repeats or terminates.  
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