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30 Cards in this Set
- Front
- Back
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Absolute Value
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The distance that a number is from zero on a number line.
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Additive Inverse
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The opposite of a number. Additive inverses sum to 0.
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Algebraic Expression
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A mathematical phrase that can include numbers, variables, and operation symbols.
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Base
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A number that is multiplied repeatedly.
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Coefficient
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The numerical factor when a term has a variable.
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Constant
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A term that has no variable factor.
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Coordinate Plane
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A plane formed by two number lines that intersect at right angles.
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Coordinates
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The numbers that make an ordered pair and identify the location of a point.
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Counterexample
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Any example that proves a statement false.
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Deductive Reasoning
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A process of reasoning logically from given facts to a conclusion.
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Element
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An item in a matrix.
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Equation
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A mathematical sentence that uses an equal sign.
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Evaluate
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Substitute a given number for each variable, and then simplify.
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Exponent
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A number that shows repeated multiplication.
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Inequality
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A mathematical sentence that compares values of two expressions using an inequality symbol.
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Integers
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Whole numbers and there opposites.
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Irrational Numbers
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A number that cannot be written as a ratio of two integers. Irrational numbers in decimal form are nonterminating and nonrepeating.
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Like Terms
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Terms with exactly the same variable factors in a variable expression.
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Matrix
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A rectangular arrangement of numbers. The number of rows and columns of a matrix determine its size. Each item in a matrix is an element.
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Multiplicative Inverse
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Given a nonzero rational number a/b, the multiplicative inverse, or the reciprocal, is b/a. The product of a nonzero number and its multiplicative inverse is 1.
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Natural Numbers
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The counting numbers.
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Negative Correlation
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The relationship between two sets of data, in which one set of data decreases as the other set increases.
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No Correlation
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There does not appear to be a relationship between two sets of data.
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Open Sentence
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Any equation that contains one or more variables.
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Opposite
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A number that is the same distance from zero on the number line as a given number, but lies in the opposite direction.
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Order of Operations
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1. Perform any operation(s) inside grouping symbols.
2. Simplify powers. 3. Multiply and divide in order from left to right. 4. Add and subtract in order from left to right. |
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Origin
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The point at which the axes of the coordinate plane intersect.
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Positive Correlation
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The relationship between two sets of data in which both sets of data increase together.
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Power
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The base and the exponent.
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Quadrants
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The four parts into which the coordinate plane is divided by its axes.
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