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21 Cards in this Set
- Front
- Back
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Integers
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The set of postitive whole numbers, their opposites,and 0.
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Median
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The median of a data set is the middle value when the data are arranged in numerical order. When there is an even number of data values, the median is the mean of the two middle values.
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Ratio
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A comparison of two quantities by divison.
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Slope
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a ratio that describes steepness.
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Absolute Value
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The absolute value of a number is its distance from 0 on a number line.
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Coordinate Plane
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a coordinate plane is formed by the intersection of a horizonatal number line called the x-axis and a vertical number line called the y-axis.
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Scientific Notation
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A number is in scientific notation if the first factor is greater than or equal to 1 and less than 10, and the second power is a power of 10.
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Algebraic Expression
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a mathematical phrase that contains variables, numbers, and operation symbols.
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Mean
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Teh mean of a set of data values is the sum of the data divided ny the number of data items.
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Exponent
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it tells how many times a number, or base, is used as a factor.
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x-axis
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the horizontal number line that, together with the y-axis, forms the coordinate plane.
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y-axis
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the vertical line that, together with the x-axis,forms the coordinate plane.
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Equations
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a mathematical sentence with an equal sign.
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Irrational Number
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is a number that cannot be written as the ratio of two integers. In decimal form, an irrational number cannot be written as a terminating or repeating decimal.
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Polynomial
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is one term or the sum or difference of two or more terms.
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Standard Notation
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when a number is written with all numbers.
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Factor
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an integer that divideds another integer with a remainder of 0.
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Percent
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a ratio that compars a number to 100.
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Rational Numbers
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any number writen as a quotient of two integers where the denominator is not 0.
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Mode
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the item in a data set that occurs with the greatest frequency.
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Rate
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a ratio that is a comparison of two quantities by divison.
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