# How to Evaluate Expressions in Word Problems?

In Pre-Algebra and Algebra 1 classes, you will learn to work with expressions derived from word problems. You will need to write the expression described in the word problem; then, for evaluation, ...
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## How to Simplify Radical Expressions in Word Problems?

Radical expressions involve exponential roots (most commonly square or cube roots in high school classes). An important part of solving equations that include radical expressions is the ability to ...
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http://www.ehow.com/how_8460785_simplify-radical-expressions-word-problems.html

## How to Evaluate Radical Expressions?

Radicals, or roots, are the opposite of exponents. The smallest radical, the square root, is represented by the symbol âˆš. The next highest radical, the cube root, is represented by the symbol Â³â...
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## How to Evaluate Expressions With Exponents?

Exponents come right after parentheses in the order of operations. They tell you how many times to multiply a number or set of numbers by themselves. Working with exponents when you have similar ba...
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http://www.ehow.com/how_8306777_evaluate-expressions-exponents.html

## How to Use Substitution to Evaluate Algebraic Expressions?

Substitution can be a valuable technique for solving algebraic expressions. The expressions are made up of variables, functions and phrases containing variables and functions. Substituting somethin...
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http://www.ehow.com/how_8392310_use-substitution-evaluate-algebraic-expressions.html