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Replace each variables in the algebraic expression by its [known] value and calculate the value (ie evaluate) of the algebraic expression.

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โˆ™ 2009-09-18 10:19:48
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Q: How do you evaluate an algebraic expression when I know the value of each variable?
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Related questions

How do you find a specific numerical value for an algebraic expression?

you have to deduce the variable and evaluate the expression.


How do you evaluate an algebraic expression?

You have to substitute a value for the letter variable in the expression. This is what we call evaluating the algebraic expression. An example would be 3x+1=7, when x=2.


What is it called to find the value of an algebraic expression?

To find the value of an algebraic expression is to evaluate it.


How do you evaluate an expression?

You have to substitute a value for the letter variable in the expression. This is what we call evaluating the algebraic expression. An example would be 3x+1=7, when x=2.


How can you have different values in algebraic expressions?

When the value of a variable in an algebraic expression changes, the value of the expression can change.


How do you find the value of an algebraic expression?

Take the value of each variable in the expression and replace the variable by its value. Then do the math!


To find the value of a numerical of algebraic expression?

Evaluate using PEMDAS


What is to find the value of a numerical or algebraic expression?

to solve for the variable


How do you evaluate the expression P86?

If it is a variable-name, then just fetch the value of the variable.


To find the value of a numerical or algebraic expression what word goes to this definnation?

evaluate. : )


To find the value of an algebraic expression by substituting a number for each variable and simplifying?

322


What is used to evaluate an algebraic expression for a specific value?

It is done by substituting the values of the variables in the expression and then hope that you are capable of evaluating the result.


What is the evaluate algebraic expression for -3x plus 2 equals?

Given a value of x, find the value for -3x + 2


How do you find the value of an algebraic expression by substituting a number for each variable and simplifying?

The answer to the question is given in the question!If you want to find the value of an algebraic expression, then you need to substitute numerical values for each of the variables in the expression, and then calculate and simplify the result.


What is value of an expression?

When you have an algebraic expression with variables in it, you need to know the the value of each variable. The value of the expression is found by replacing the variables with their values and simplifying. For example, evaluate 2xy-3x if x=5 and y=-1. 2xy-3x = 2*5*(-1) -3*5 = -10-15 = -25.


Evaluate each expression for the given value of the variable 4m-6.5m2?

4x2-6.5 = 2.5


Evaluate the expression for the given value of the variable 5y - 1 for y equals 3?

14


What the vaule of x?

x is a variable that represents an unknown number and its value depends on the algebraic expression it is used in.


What is it to find the value of an algebraic expression?

to simplify!!* * * * *No. It is to EVALUATE.


What is the math term used to find the value of an algebraic expression?

A term often used is "evaluate".


How did you find each product of quadratic equation?

You substitute the value of the variable into the quadratic equation and evaluate the expression.


What is 18 minus x?

As an algebraic expression it is simply: 18-x


What does it mean to find the value of an algebraic expression?

When a given set of values for the variables are substituted in the expression the result is the value of the expression.


Evaluate the expression 17P2?

To "evaluate" an expression, you need to know the value for the variables.


What is a variable expression that has a decreasing value as the value of the variable increases?

what is a variable expression that has a decreasing value as the value of thevariable increases?

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