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130 Cards in this Set

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