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21 Cards in this Set
- Front
- Back
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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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Algebraic Expressions
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algebraic expression is a mathematical phrase that contains variables, numbers, and operation symbols.
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Exponents
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An exponent tells how many times a number, or base, is used as a factor.
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Integers
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Integers are the set of positive whole numbers, their opposites, and 0.
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Factors
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A factor is an integer that divides another integer with a remainder of 0.
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Equations
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An equation is a mathematical sentence with an equal sign.
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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 ratio is a comparison of two quantities by division.
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Slope
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Slope is a ratio that describes steepness.
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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 factor is a power of 10.
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Standard Notation
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A number written using digits and place value is in standard form.
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Coordinate Plane
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A coordinate plane is formed by the intersection of a horizontal number line called the x-axis and a vertical number line called the y-axis.
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Mean
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The mean of a set of data values is the sum of the data divided by the number of data items.
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X-axis
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The x-axis is the horizontal number line that, together with the y-axis, form the coordinate plane.
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Y-axis
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The y-axis is the vertical number line that, together with the x-axis, form the coordinate plane.
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Irrational Numbers
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An irrational number 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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Polynomials
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A polynomial is one term or the sum or difference of two or more terms.
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Percent
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A percent is a ratio that compares a number to 100.
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Rational Numbers
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A rational number is any number written as a quotient of two integers where the denominator is not 0.
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Mode
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The mode of a data set is the item that occurs with the greatest frequency.
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Rate
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rate is a ratio that compares two quantities measured in different units.
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