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Yes, an expression can have more than one variable.

Q: Can an expression have more than one variable?

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The variable.

Variable expression.

Yes, since the expression contains more than one variable, then 2x+5y+2 is a polynomial.

yes it can I've done a few experiments that have had more than one independant variable.

A monomial is an expression that is either:1) a numeral,2) a variable,or 3) the product of a numeral and one or more variables.A variable can be thought of as the product of the numeral 1 and the variable, thus making it a monomial.

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yes it should contain one variable or more.

Yes, you can have more than one variable

The variable.

Variable expression.

An algebraic expression is a type of expression that contains a variable or variables.

That looks like the description of an EXPRESSION. However, an expression need not have "at least one operation"; a single number, or variable, is a perfectly valid expression.

A variable is a letter that represents a number. An expression that contains at least one variable is called variable expression, also called algebraic expression. A variable expression has one or more terms. A term is a number, a variable, or a product of numbers and variables. For example,3(x^2)y + 2xy + x - 7 is a variable expression, where you have 4 terms.When working with variable expression, you often use the substitution principle:If a = b, then a may be replaced by b in any expression.The set of numbers that a variable may be represent is called replacement set, or domain, of the variable. To evaluate a variable expression, you replace each variable with one of its values and simplify the numerical expression that results.Example: Evaluate the expression 2x - 4y for x = 5 and y = -9.Solution:2x - 4y= 2(5) - 4(-9)= 10 + 36=46

In Algebra a term is either a single number or variable, or numbers and variables multiplied together.

A variable expression.

The variable.

Yes, since the expression contains more than one variable, then 2x+5y+2 is a polynomial.

An algebraic expression can have a mixture of numbers and variables, but it does not contain an equals sign.