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# Algebra Expressions - Expression that contains variables - Are mathematical sentences that contain at least one variable, operation and constant ## Variable and Constant - **Variable** - The letters of the math (Ex: x, y, z, a, b, c). - **Constant** - A number without a variable. ## Parts of an...

# Algebra Expressions - Expression that contains variables - Are mathematical sentences that contain at least one variable, operation and constant ## Variable and Constant - **Variable** - The letters of the math (Ex: x, y, z, a, b, c). - **Constant** - A number without a variable. ## Parts of an Expression - **Numerical coefficient** - The number in front of the variable. - **Variable** - **Numerator** - **Denominator** # Polynomials - Is an algebraic expression that represents a sum of one or more terms. ## Requirements for a Polynomial - **No negative exponents** - **No variable in the denominator**