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Numbers, symbols and operators (such as + and ×) grouped together that show the value of something. Examples: • 2 + 3 is an expression. • 3 − x/2 is also an expression. Algebra - Definitions.
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A quadratic expression (Latin quadratus ≡ ”squared”) is an expression involving a squared term, e.g., x2 + 1, or a product term, e.g., 3xy − 2x + 1. (A linear expression such as x +1 is obviously non-quadratic.)
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Equivalent algebraic expressions are those expressions which on simplification give the same resulting expression. Two algebraic expressions are said to be equivalent if their values obtained by substituting the values of the variables are same. To represent equivalent expressions an equality = sign is used.
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In algebra, an equation can be defined as a mathematical statement consisting of an equal symbol between two algebraic expressions that have the same value. ... For instance, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.
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Unlike equations, algebraic expressions do not contain an equal sign. The word "terms" refers to values that are added or subtracted. ... The skill of translating between verbal statements and algebraic expressions requires an understanding of the words that are commonly used to represent mathematical operations.
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An algebraic expression is formed from letter symbols and numbers, combined with operation signs and brackets. Each part of an expression is called a term. In the expression 3n + 5 the terms are 3n and 5. A formula is an equation linking sets of physical variables.
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Algebra (from Arabic: الجبر‎ al-jabr, meaning "reunion of broken parts" and "bonesetting") is one of the broad parts of mathematics, together with number theory, geometry and analysis.
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An algebraic expression that is a polynomial of degree 2 is an expression in which the highest exponent for the independent variable, x, is 2. e.g. x^2+2x+1 is a polynomial with a degree of 2.
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To evaluate an algebraic expression means to find the value of the expression when the variable is replaced by a given number. To evaluate an expression, we substitute the given number for the variable in the expression and then simplify the expression using the order of operations. Example 2.3.
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Numeric expressions apply operations to numbers. For example, 2(3 + 8) is a numeric expression. Algebraic expressions include at least one variable and at least one operation (addition, subtraction, multiplication, division). For example, 2(x + 8y) is an algebraic expression.
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What is the difference between rational expression and rational equation? An expression is any “legal” combination of variables, constants, and operators: is an expression. An equation expresses a relationship between two expressions: is an equation, as it says the expression “5” is the same as the expression “3”.
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In mathematics, an algebraic expression is an expression built up from integer constants, variables, and the algebraic operations (addition, subtraction, multiplication, division and exponentiation by an exponent that is a rational number).
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A term is a number or letter on its own, or numbers and letters multiplied together, such as , or 5 a 2 . An expression is a set of terms combined using the operations +, – , x or , for example 4 x − 3 or. x 2 – x y + 17 . An equation states that two expressions are equal in value, for example. 4 b − 2 = 6 .
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In algebra, an equation is a mathematical expression that contains an equals sign. It tells us that two expressions represent the same number. For example, y = 12x is an equation. An inequality is a mathematical expression that contains inequality signs.
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An algebraic expression is an expression involving numbers, parentheses, operation signs and pronumerals that becomes a number when numbers are substituted for the pronumerals. For example 2x + 5 is an expression but +) × is not. ... In algebra, pronumerals are used to stand for numbers.
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Expression is a statement that can convey a value. And Operators are special symbols used for mathematical functions, some types of assignment statements, and logical comparisons.
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An algebraic expression is a combination of integer constants, variables, exponents and algebraic operations such as addition, subtraction, multiplication and division. 5x, x + y, x-3 and more are examples of algebraic expression. ... A variable is a letter used to represent an unknown value.