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# Algebra S2 Vocab

TermDefinition
Monomial A single term.
Hypotenuse The longest side of a right triangle.
Binomial Two terms that are added or subtracted.
Axis of Symmetry A vertical line containing the vertex of a parabola.
Trinomial Three terms that are added or subtracted.
Rational Equation An equation containing rational expressions.
Trigonometry The study of the properties of triangles.
Distance Formula The formula used to find the distance between two points.
Factoring Expressing a polynomial as products.
Quadratic Formula The formula that can be used to solve any quadratic equation.
FOIL Method A way to multiply binomials.
Complex Fraction A fraction within another fraction.
Inverse Variation An equation where xy = k OR y = k/x.
Quadratic Equation An equation where x is raised to the second power.
Direct Variation An equation where y = kx.
Parabola The graph of a quadratic function.
Similar Figures Polygons with the same shape and proportional side lengths.
Radical A symbol that means a non-negative square root.
Pythagorean Theorem The relationship between the sides of a right triangle.
Irrational Number As a decimal, a number that never repeats or terminates.
Created by: ahauser1220