what is an algebraic expression ks2?
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algebraic expression. • a mathematical phrase combining numbers and/or variables. • an expression does not contain equality or inequality signs. but may include other operators and grouping symbols.
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Algebraic equation, statement of the equality of two expressions formulated by applying to a set of variables the algebraic operations, namely, addition, subtraction, multiplication, division, raising to a power, and extraction of a root. Examples are x3 + 1 and (y4x2 + 2xy – y)/(x – 1) = 12.
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Definition of algebraic equation. : an equation obtained by equating to zero a sum of a finite number of terms each one of which is a product of positive integral powers (including the zero power) of the variables.
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Polynomial is an algebraic expression where each term is a constant, a variable or a product of a variable in which the variable has a whole number exponent. Non Polynomial is: the exponent of a variable is not a whole number, and the variable is in the denominator.
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Algebra 2. Algebra 2 is the third math course in high school and will guide you through among other things linear equations, inequalities, graphs, matrices, polynomials and radical expressions, quadratic equations, functions, exponential and logarithmic expressions, sequences and series, probability and trigonometry.
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Algebra is a branch of mathematics dealing with symbols and the rules for manipulating those symbols. In elementary algebra, those symbols (today written as Latin and Greek letters) represent quantities without fixed values, known as variables. ... The letters x and y represent the areas of the fields.
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You call an expression with a single term a monomial, an expression with two terms is a binomial, and an expression with three terms is a trinomial. An expression with more than three terms is named simply by its number of terms. For example a polynomial with five terms is called a five-term polynomial.
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Polynomials in one variable are algebraic expressions that consist of terms in the form axn a x n where n is a non-negative (i.e. positive or zero) integer and a is a real number and is called the coefficient of the term. The degree of a polynomial in one variable is the largest exponent in the polynomial.
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Because the 2 and the m are written next to each other, they are being multiplied. So, the verbal expression the product of 2 and m can be used to describe the algebraic expression 2m. ... So, the verbal expression two thirds times r raised to the fourth power can be used to describe the algebraic expression .
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An expression is a number, a variable, or a combination of numbers and variables and operation symbols. An equation is made up of two expressions connected by an equal sign.
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In mathematics, an algebraic equation or polynomial equation is an equation of the form. where P is a polynomial with coefficients in some field, often the field of the rational numbers. For most authors, an algebraic equation is univariate, which means that it involves only one variable.
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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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Polynomials are precisely defined expression that are constructed from variables and constants. An example of a polynomial of a single indeterminate x is . An example in three variables is . ... All polynomials are algebraic expressions, but all algebraic expressions are not polynomials.
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Expressions and Equations. An expression is a number, a variable, or a combination of numbers and variables and operation symbols. An equation is made up of two expressions connected by an equal sign.
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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.
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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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Algebraic equation. ... Algebraic equation, statement of the equality of two expressions formulated by applying to a set of variables the algebraic operations, namely, addition, subtraction, multiplication, division, raising to a power, and extraction of a root. Examples are x3 + 1 and (y4x2 + 2xy – y)/(x – 1) = 12.