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130 Cards in this Set
- Front
- Back
Absolute Value
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The distance of a number from zero on a number line.
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Accuracy
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The closeness of a given measurement or value to the actual measurement or value.
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Acute Angle
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An angle that measures less than 90 degrees.
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Acute Triangle
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A triangle with all angles measuring less than 90 degrees.
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Addition Property Of Equation
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The property that states that if you add the same number to both sides of an equation, the new equation will have the same solution.
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Addition Property of Opposites
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The preoperty that states that the sum of a number and its opposite equals zero.
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Additive Inverse
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The opposite of a number.
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Ajacent Angles
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Angles in the same plane that have a common vertex and a common side.
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Algebraic Expression
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An expression that contains at least one variable.
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Algebraic Inequality
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An inequality that contains at least one variable.
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Alternate Exterior Angles
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A pair of angles on the outer sides of two lines cut by a transversal that are on opposite sides of the transversal.
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Alternate Interior Angles
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A pair of angles on the inner sides of two lines cut by a transversal that are on opposite sides of the transversal.
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Angle
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A figure formed by two rays with a common endpoint called vertex.
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Angle Bisector
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A line, segment, or ray that divides an angle into two congruent angles.
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Arc
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An unbroken part of a ciircle.
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Area
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The number of square units needed to cover a given surface.
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Arithmetic Sequence
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An ordered list of numbers in which the difference between consecutive terms is always the same.
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Associative Property (Addition)
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The property that states that for all real numbers a, b, and c, the sum is always the same, regardless of their grouping.
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Associative Property(Multiplication)
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The property that states that for all real numbers a, b, and c, their product is always the same, regardless of their grouping.
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Average
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The sum of a data divided by the number of items in the data set; also called mean.
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Average Deviation
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The average distance a data value is from the mean.
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Axes
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The two perpendicular lines of a coordinate plane that intesect at the origin.
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Back to Back stem-and-leaf plot
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A stem-and leaf plot that compares two sets of data by displaying one set of data to the left of the stem and the other to the right.
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Bar Graph
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A graph that uses vertical or horizontal bars to display data.
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Base-10 System
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A number system in which all numbers are expressed using the digit 0-9.
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Base (In Numeration)
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When a number is raised to a power, the number rhat is used as a factor is the base.
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Base (Of a polygon or three-dimesional figure)
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A side of a polygon; a face of three dimensional figure by which the figure is measured or classified.
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Biased Sample
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A sample that does not fairly represent the population.
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Binary Number System
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A number system in which all numbers are expressed using only two digits.
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Bisect
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To divide into two congruent parts.
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Boundary Line
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The set of pionts where the two sides of a two-variable linear inequality are equal.
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Box-and-whisker plot
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A graph that displays the higest and lowest quarters of data as whiskers, the middle two quarters of the data as a box, and the median.
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Break (Graph)
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A zigzag on a horizontal or vertical scale of a graph that indicates that some of the numbers on the scale have been omitted.
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Capacity
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The amount a container can hold when filled.
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Celsius
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A metric scale for measuring temperature in which 0 degrees is freezing point of water and 100 degrees c is the boiling point of water also called centigrade.
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Center (Of a circle)
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The point inside a circle that is the same distance from all points on the circle.
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Center (Of dilation)
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The point of intersection of lines from all the angles in a dilation.
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Center (Of rotation)
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The point about which a figure is rotated.
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Central Angle
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An angle formed by two radii with its vertex at the center of a circle.
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Certain (probability)
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Sure to happen; having a probability of 1.
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Chord
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A segment with its endpoints on a circle.
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Circle
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The set of all points in a plane that are the same distance from a given point called the center.
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Circle Graph
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A graph that uses sectors of a circle to campare parts to the whole and parts to other parts.
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Circumference
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The distance around a circle.
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Clockwise
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A circular movement to the right.
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Coefficient
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The number that is multiplied by the variable in an algebraic expression.
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Combination
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An arrangement of items or events in which order does not matter.
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Commission
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A fee paid to a person for making a sale.
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Commission Rate
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The fee paid to a person who makes a sale expressed as a percent of the selling price.
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Common Denominator
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Denominator that os the same in two or more fractions.
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Common Difference
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The difference between any two successive terms in an arithemetic sequence.
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Common Factor
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A number that is factor of two or more numbers.
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Common Multiple
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A number that is multiple of each of two or more numbers.
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Common Ratio
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The ratio each termsis multiplied by a produce the next term in a geometric sequence.
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Commutitive Property (Addition)
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The property that states that two or more numbers can be added in any order without changing the sum. Ex: 8+20=20+8; a+b=b+a
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Commutitive Property (Multiplication)
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The property that states that two or more numbers can be multiplied in any order without changing the product.
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Compatible Numbers
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Numbers that are close to the given numbers that make extimation or mental calculation easier.
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Complementary Angles
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Two angles whose sum is 90 degrees.
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Composite Number
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A number greater than 1 that has more than two whole-number factors.
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Compound Inequality
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A combination od more that one inequality.
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Compound Interest
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Interest earned or paid on principal and previosly earned or paid interest.
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Cone
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A 3D figure with one vetex and one circular base.
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Congruent
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Having the same size and shape.
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Congruent Angles
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Angles that have the same measure.
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Congruent Segments
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Segments that have the same length.
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Constant
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A value that does not change.
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Constant of Proportionality
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A constant ratio of two variables related proportionally.
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Conversion Factor
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A fraction whose numerator and denominator represent the same quantity but use defferent units, the fraction os equal to 1 because the numerator and the denominator are the equal.
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Coordinate Plane
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A plane formed by the intersection of a horizontal line called x-axis and a vertical line called y-axis.
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Coordinate
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One of the numbers of an ordered pair that locate on a coordinate graph.
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Correlation
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The discription of the relationship between two data sets.
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Corrspondence
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he relationship between two or more that are matched.
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Correspoding Angles (in lines)
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Angles formed by a transvesal cutting two or more lines and that are in the same relative position.
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Correspoding Angles (in polygons)
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Matching angles of two or more polygons.
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Correspoding Sides
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Matching sides of two or more polygons.
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Cosine (cos)
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In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse.
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Counterclockwise
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A circular movement to the left.
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Cross Product
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The product of numbers on the diagonal when comparing two ratios.
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Cube (geometric figure)
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A rectangular prism with six congruent square faces.
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Cube (in numeration)
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A number raised to the third power.
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Cumulative Frequency
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The sum of successive data items.
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Customary System of Measurement
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The measurement system often used in the United States.
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Cylinder
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A 3D figure with two parellel, congruent circular bases connected by a curved lateral surface.
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Decagon
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A ten sided polygon
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Decimal System
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A base-10 place value system
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Degree
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The unit of measure for angles or temperature.
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Density Property of Real Numbers
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The property that states that between any two real numbers, there is always another real number.
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Denominator
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The bottom number of a fraction that tells how many equal parts are in the whole.
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Dependant Events
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Events for which the outcome of one event affects the probability of the other.
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Diagonal
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A line segment that connects two non-adjacent vertices of a polygon.
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Diameter
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A line segment that passes through the center of a circle and has endpoints on the circle, or the length of that segment.
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Difference
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The result when one number is subtracted from another
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Dilation
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A tranformation that enlarges or reduces a figure.
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Dimensions (geometry)
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The lenght, width,or height of a figure.
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Dimensions (of a matrix)
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The number of horizontal rows and vertical columns in a matrix.
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Direct Variation
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A relationship between two variables in which the data increase or decrease together at aconstant rate.
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Discount
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The amount by which the original price is reduced.
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Ditributive Property
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The propety that states if you multiply a sum by a number, you will get the same resul if you multiply each addend by that number and then add the products.
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Dividend
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The number to be divided in a division problem.
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Divisible
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Can be divided by a number without leaving a remainder.
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Division Property of Equality
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The preperty that states that if you divide both sides of an equation by the same nonzero number, the new equation will have the same solution.
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Divisor
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The number you are dividing by in a division problem.
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Dodecahedron
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A polyhedron with 12 faces.
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Domain
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The set of all possible input values of a function.
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Double-Bar Graph
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A bar graph that compares two related sets of data.
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Double-Line Graph
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A line graph that shows how two related sets of data change qver time.
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Edge
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The line segment along whinch two faces of a polyheron intersect.
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Elements (Of a matrix)
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Individual entries in a matrix.
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Elements (sets)
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The wors, numbers, or objects in a set.
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Empty Set
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A set that has no elements.
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Enlargement
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An increase in siz of all dimensions n the same proportion.
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Equally Likely Outcomes
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Outcomes that have the same probability.
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Equation
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A mathematical sentence that shows that two expressions are equivalent.
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Equilateral Triangle
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A triangle with three conguent sides.
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Equivalent
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Having that same value.
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Equivalent Fractions
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Fractions that name the same amount or part.
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Equivalent Ratios
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Ratios that name the same comparison.
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Estimate
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An answer that is close to the exact anser and is foun by rounding or other method.
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Evaluate
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To find that value of a numerical or algebraic expression.
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Even Numbers
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A whole numbers that are divisible by two.
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Event
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An outcome or set of outcomes of an experiment or situation.
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Expanded Form
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A number written as the sum of the values of its digits.
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Experiment (probability)
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In probability, any activity based on chance (such as tossing a coin).
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Experimental Probability
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Tha ratio of the number of times an event occurs to the total number of trials, or times that the activity is performed.
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Exponent
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The number that indicates how many times the base is used as a factor.
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Exponential Decay
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Occurs in an exponential function when the output f(x) gets smaller as the input x gets larger.
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Exponential Form
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A number is in exponential form when it is weitten with a base and an eponentent.
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Exponential Function
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A nonlinear function in which that variable is in the exponent.
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Exponential Growth
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Occurs in an exponential function when the output f(x) gets larger as the input x gets larger.
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Expression
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A mathematical pharase that contains operations, numbers, and/ or variables.
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