Equations and Inequalities Vocabulary

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Coefficient

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The number placed before and multiplying the variable in an algebraic expression (e.g., 4 in 4x).

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Combine Like Terms

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The process of simplifying an expression or equation using addition and subtraction of the coefficients of terms that have the same variables.

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Constant

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A fixed value that does not change, like the y-intercept.

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Equation

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A mathematical statement that asserts the equality of two expressions.

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Inverse Operations

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Operations that undo each other, such as addition and subtraction or multiplication and division.

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Rational Numbers

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Numbers that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

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Solution

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The value or values that satisfy an equation.

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Term

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A single mathematical expression. It can be a single number, a variable, or numbers and variables multiplied together.

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Variable

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A symbol used to represent a number in expressions or equations.

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Zero Pair

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A pair of numbers whose sum is zero, often used in the context of adding integers.