Questions and Answers
What is a variable?
What is a variable expression?
It consists of constants, variables, and operations.
What is a numerical expression?
An expression that includes numbers and operations.
What is a power?
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What is an exponent?
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What is the base in a power?
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What is the order of operations?
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What is an equation?
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What is the solution of an equation?
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What is an inequality?
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What does modeling involve in mathematics?
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What is a function?
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What is the domain of a function?
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What is the range of a function?
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What are values in the context of variables?
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What does evaluating the expression involve?
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What is unit analysis?
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What is a verbal model in mathematics?
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What is data in a mathematical context?
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What is input in relation to a table or graph?
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What is output in relation to a table or graph?
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Study Notes
Algebra 1 Vocabulary Study Notes
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Variable: A symbol (e.g., x, y) representing a variable quantity in expressions.
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Variable Expression: Comprises constants, variables, and mathematical operations.
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Numerical Expression: An expression that involves only numbers and operations.
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Power: A mathematical expression formed by a base raised to an exponent.
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Exponent: Denotes how many times the base is multiplied by itself, shown as a raised number.
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Base: The number in a power that is repeatedly multiplied, typically the larger number in a power expression.
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Order of Operations: The standard sequence for evaluating expressions: Parentheses, Exponents, Multiplication and Division, Addition and Subtraction (PEMDAS).
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Equation: A mathematical statement featuring an equals sign, indicating two expressions are balanced.
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Solution: The set of values that, when plugged into an equation, yields a true statement.
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Inequality: A mathematical statement that compares two quantities using symbols like <, ≤, ≥, or ≠.
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Modeling: The process of creating algebraic expressions or equations based on real-world situations.
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Function: A specific type of relation between two quantities where each input corresponds to exactly one output.
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Domain: The complete set of all possible input values in a function.
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Range: The complete set of all potential output values resulting from the inputs of a function.
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Values: Numerical representations that can be assigned to variables.
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Evaluating the Expression: The process of performing operations within a numerical expression to determine its value.
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Unit Analysis: The method of assessing expressions that involve measurements to ensure the final answer maintains appropriate units.
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Verbal Model: A representation of a problem using descriptive language alongside mathematical symbols to illustrate relationships.
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Data: Collected facts, figures, and other pieces of evidence derived from observations.
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Input: The data that is entered into a graph or table, typically represented as the x-value.
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Output: The resulting data that comes from a graph or table, usually represented as the y-value.
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Description
Test your understanding of key vocabulary from Chapter 1 of McDougal Littell Algebra 1. This quiz includes definitions of terms such as variable, variable expression, and numerical expression. Perfect for students looking to reinforce their algebra skills.