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32 Cards in this Set
- Front
- Back
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Variable (p. 6)
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A letter or symbol used to represent a value that can change.
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Constant (p. 6)
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A value that does not change.
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Numerical Expression (p. 6)
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Contains only constants and/or operations.
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Algebraic Expression (p. 6)
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Contains variables, constants, and/or operations.
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Evaluate (p. 7)
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To find the value of an expression.
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Replacement Set (p. 7)
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A set of numbers that can be substituted for a variable.
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Real Numbers (p. 14)
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The set of all numbers that can be represented on a number line.
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Absolute Value (p. 14)
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The distance of a number from zero on a number line.
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Opposites (p. 15)
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Two numbers that have the same absolute value but have different signs.
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Additive Inverse (p. 15)
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A number and its opposite that are the same distance from zero.
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Reciprocal (p. 21)
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The product of two numbers that are equal to 1.
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Multiplicative Inverse (p. 21)
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A number and its reciprocal.
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Power (p. 26)
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An expression written with an exponent and a base.
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Base (p. 26)
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The number that is used as a factor.
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Exponent (p. 26)
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The number that indicates how many times the base is used as a factor.
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Square Root (p. 32)
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A number that is multiplied by itself to form a product.
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Principal Square Root (p. 32)
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The positive square root of a number that is represented by √.
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Perfect Square (p. 32)
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A number whose positive square root is a whole number.
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Cube Root (p. 32)
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A number that is raised to the third power to form a product.
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Natural Numbers (p. 33)
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All counting numbers.
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Whole Numbers (p. 33)
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All natural numbers and zero.
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Integers (p. 33)
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All whole numbers and their opposites.
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Rational Numbers (p. 33)
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Numbers that can be expressed in the form a/b, where a and b are both integers and b ≠ 0.
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Terminating Decimal (p. 33)
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Has a finite number of digits after the decimal point.
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Repeating Decimal (p. 33)
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Has a block of one or more digits after the decimal point that repeat continuously.
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Irrational Numbers (p. 34)
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All numbers that are not rational.
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Counterexample (p. 43)
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An example that disproves a statement, or shows that it is false.
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Closure (p. 44)
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A set of numbers is said to be closed under an operation if the result of the operation on any two numbers in the set is also in the set.
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Order of Operations (p. 48)
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Tells you which operation to perform first.
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Terms (p. 49)
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The parts of an expression that are added or subtracted.
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Like Terms (p. 49)
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Terms with the same variables raised to the same exponents.
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Coefficient (p. 49)
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A number multiplied by a variable.
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