# Términos algebraicos

Math's

Algebra

 Word / Phrase Explanation Example Linear expression Expression without any squares or cubes. 5x + 2 Polynomial More than two terms 3x³ + 2x² - 5x + 7 Degree of polynomial The little number behind the x. 7x³ Quadratic polynomial An expression where the highest power of x is 2. 4x² - 3x + 2 Cubic polynomial An expression where the highest power of x is 3. 7x³ - 4x² + 5x + 6 Coefficient The big number at the start of the term 2x³ Term The parts in an algebraic expression separated by a sign. 5x Like term Terms that contains same letters of combination of letters. 3ac + 2ac = 5ac Unlike term A term that contains a different letters or combination of letters. 2ab + 5ac Subject of equation/formula The letter that is alone in one of the sides of an equation. a = 3b - 4c Expression Not equal to anything, has no equals. 3x + 6 Equations Is equal to something, has an equal and usually one letter. 2x + 5 = 6x - 2 Identity LHS is equal to the RHS. 3x - 9 = 3 (x - 3) Multiplies It's the product of an integer with another integer 2 x 5 = 10 Lowest common multiple The smallest positive integer that is a multiple of two or more numbers. 6, 21 = 42 Factor The numbers multiplied for find a product. (x + 2)(x + 3) = x² + 5x + 6 Highest common factor The largest positive integer that divides both numbers without remainders. 27,12 = 3 Difference Difference between two numbers. 5 - 2 = 3 Sum The result of add two or more numbers. 3 + 4 = 12 Product The result of a multiplication. 5 x 4 = 12 Simplify To reduce an expression to only the necessary parts. 2 + 6 = 1 + 2 4 9 2 3 Factorise The decomposition of an object into a product of other object. x² + 5x + 6 = (x + 2)(x + 3) Evaluate It is to calculate the value of something. If I have to distribute 6 books to 3 boys, so each boy would have 2 books. Discriminant b² - 4ac x = - 3 ±√9-4x2x7 4 Constant A number that is significantly interesting in some way. 10 - 4x = 8 Variable A symbolic representation used to denote a quantity or expression. 2x + 8 = 16 Simultaneous equation Combination of two or more equations. 4x + 2y = 10 3x + 5y = 11

 Enviado por: Raquel Idioma: inglés País: España

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