Algebra 2

Front

Define the term 'expression' in algebra.

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - often abbreviated as PEMDAS.

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Back

-8

Front

What is a variable in algebra?

Back

A variable is a symbol (usually a letter) that represents an unknown value in mathematical expressions or equations.

Front

Define 'coefficient' in the context of algebraic expressions.

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by performing operations and combining like terms.

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What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not include an equality sign.

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What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. It is always non-negative.

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x = 4.

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What is a polynomial?

Back

A polynomial is a mathematical expression that consists of variables raised to whole number powers and their coefficients, combined using addition, subtraction, and multiplication.