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Equivalent Expression

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Q: What are expressions that have the same value for all values of the variables?
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What are expressions that have the same value for all values of the variables called?

equivalent expression


What is the definition of equivalen variable expressions?

Two expressions are "equivalent" if they have the same result for any values of the variable or variables.


How do you Evaluating variable expressions with exponents?

Basically the same way that you evaluate other types of expressions with variables: * You replace the variables by the value assigned to the variables. * Then you do the specified calculations.


Do expressions have the same value?

No, expressions cannot have the same value in algebra. They may be assigned to different values and on solving we can get different answers in each case.


Two algebraic expressions are if they have the same value for all values of their variable?

They are identical or equivalent.


What does equivalent expressions in math mean?

It means that two expressions represent the same number; for example, 5 is equivalent to 3 + 2. If there are variables in the expression, it means that the two expressions will evaluate to the same number, for any value assigned to the variable or variables. For example, for any value of x, 2x is the same as x + x; therefore, the two are equivalent.


What are expressions that have the same value?

Equivalent expressions.


Can numerical expressions have the same value?

Yes, numerical expressions can have the same value. For example, the expressions 2+3 and 5 both have the value of 5. Similarly, the expressions 2x3 and 6 both have the value of 6. In general, any two numerical expressions that evaluate to the same number will have the same value.


Do you solve an expression the same way you solve an equation?

If we are talking about the algebraic expressions, then an expression can be simplified or be evaluated for specific values of its variables, while an equation need to be solved, in other words to find the values of the variables that make the equation a true statement. If we are solving an equation, then we can work in the same way that we can simplify an expression (since an equation is a statement that states that two expressions are equal), or factoring an expression.


Have the same variables raised to the same powers?

It depend entirely on the expressions you are comparing.


Can you store the two variables with different values but having same name in session object?

Yes you can store it but the value which is assigned at the last will be accessed when the value is displayed.


When two expressions are the same does any one know the term for that?

If they are the same for only some values of the variables, they form an equation. If they are the same for all values of the variables, they form an identity. For example, (x + y)2 = x2 + y2 is an equation which is true if x = 0 or y = 0 (or both), while (x + y)2 = x2 + 2xy + y2 is always true and so is an identity.