what does evaluate algebraic expression mean?
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To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12. If we know the value of our variables, we can replace the variables with their values and then evaluate the expression.
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An algebraic expression in mathematics is an expression which is made up of variables and constants along with algebraic operations (addition, subtraction, etc.) Expressions are made up of terms. They are also termed as algebraic equations.
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Definition of algebraic. 1 : relating to, involving, or according to the laws of algebra. 2 : involving only a finite number of repetitions of addition, subtraction, multiplication, division, extraction of roots, and raising to powers algebraic equation — compare transcendental.
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In programming language terminology, an “expression” is a combination of values and functions that are combined and interpreted by the compiler to create a new value, as opposed to a “statement” which is just a standalone unit of execution and doesn't return anything.
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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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In an algebraic expression, terms are the elements separated by the plus or minus signs. This example has four terms, 3x2, 2y, 7xy, and 5. Terms may consist of variables and coefficients, or constants. Variables. In algebraic expressions, letters represent variables.
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Summary: A variable is a symbol used to represent a number in an expression or an equation. The value of this number can change. An algebraic expression is a mathematical expression that consists of variables, numbers and operations. The value of this expression can change.
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An expression containing variables, numbers, and operation symbols is called an algebraic expression. is an example of an algebraic expression. Each expression is made up of terms. A term can be a signed number, a variable, or a constant multiplied by a variable or variables. ... In the term 5x, the coefficient is 5.
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A variable expression is numbers, letters, +,-, x, /, signs, but NO EQUAL sign. An equation equates (with an equal sign) two things whether they be variables , expressions or constants.
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Algebraic expressions are useful because they represent the value of an expression for all of the values a variable can take on. 5 + 2 5+2 5+2 . Similarly, when we describe an expression in words that includes a variable, we're describing an algebraic expression, an expression with a variable.
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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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Algebraic Identities. An algebraic identity is an equality that holds for any values of its variables. For example, the identity ( x + y ) 2 = x 2 + 2 x y + y 2 (x+y)^2 = x^2 + 2xy + y^2 (x+y)2=x2+2xy+y2 holds for all values of x and y.
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Algebraic expressions are useful because they represent the value of an expression for all of the values a variable can take on. Sometimes in math, we describe an expression with a phrase. For example, the phrase. "two more than five"
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From Wikipedia, the free encyclopedia. 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 mathematical phrase that groups together numbers, variables, and operators, to show the value of something is called expression. An equation is described as a mathematical statement with two expressions set equal to one another. An expression is a sentence fragment that stands for a single numerical value.
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Expressions vs. statements. In programming language terminology, an “expression” is a combination of values and functions that are combined and interpreted by the compiler to create a new value, as opposed to a “statement” which is just a standalone unit of execution and doesn't return anything.
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In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.