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92 Cards in this Set
- Front
- Back
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absolute value
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the distance from 0 on a number line
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box-and-whisker plot
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a graph that shows the minimum and maximum values, the lower and upper quartiles, and the median of a data set
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coefficient
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the numerical term in a term of an expression
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congruent
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describes figures that have the same shape and size
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difference
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the answer to a subtraction
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directly proportional relationship
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a linear function in the form y=kx; when graphed, the line it forms passes through the origin
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equation
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a number sentence that shows that two amounts are equal
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experimental probability
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the likelihood of an event based on an experiment measured by (number of times the event occurred divided by number of trials)
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exponent
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a number that tells how many times a base is used as a factor
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expression
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a group of numbers and symbols that represents a mathematical quantity
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factors
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numbers that are multiplied to give a product
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histogram
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a bar graph that shows the frequency of data for intervals
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integers
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the set of numbers consisting of whole numbers and their opposites
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interquartile range
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the difference between the upper quartile and the lower quartile in a data set
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inverse operations
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operations that undo each other
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inversely proportional relationship
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a nonlinear relationship in the form y=k divided by x; the opposite of a directly proportional relationship
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line graph
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a graph that uses a line to show how something changes over time
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linear relationship
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a function that forms a straight line when graphed
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lower
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the median of the numbers less than the median
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mean
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the sum of the addends divided by the number of addends
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median
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the middle number in an ordered set of numbers
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mode
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the number or numbers that occur most often in a data set
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nonlinear relationship
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a function or relationship between two variables that do not form a straight line when graphed
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origin
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the point named by (0,0) on a coordinate grid
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percent
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(%) per hundred
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probability
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the chance that an event will occur measured by (number of favorable outcomes divided by number of possible outcomes)
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product
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the answer in a multiplication problem
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proportion
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an equation stating that two ratios are equivalent
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quotient
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the answer to a division problem
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range
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the difference between the greatest and least numbers in a data set
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rate
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a ratio that compares measurements or amounts
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ratio
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a comparison of two quantities
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scale drawing
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a representation of an actual object that is proportional to the actual object
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similar
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describes figures that have the same shape but may have different sizes
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stem-and-leaf plot
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an arrangement of numerical data that separates the ones digits from the other digits
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sum
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the answer to an addition problem
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theoretical probability
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the probability of an event occurring determined by mathematical reasoning
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upper quartile
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the median of the numbers greater than the median in a data set (second half of data)
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variable
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a letter or symbol used to represent a number
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x-axis
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the horizontal axis of a graph
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y-axis
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the vertical axis of a graph
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adjacent angles
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two angles that have the same vertex and a common ray, but no interior points in common
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alternate exterior angles
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nonadjacent exterior angles found on opposite sides of the transversal
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alternate interior angles
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two angles that are on opposite sides of a transversal and between the two parallel lines
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constant correlation
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on a scatterplot, the value of x increases, but the value of y does not change
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corresponding angles
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two angles that are in the same position in congruent or similar figures
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dependent events
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two events in which the occurrence of the first event affects the probability of the second event
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domain
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the set of all first members of a function
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function
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a relationship in which one quantity depends on another quantity
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hypotenuse
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the side opposite the right angle in a right triangle
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independent events
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two events in which the occurrence of the first event does not affect the probability of the second event
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interior angles
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angles that lie inside of lines cut by a transversal
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intersecting lines
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lines or line segments
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irrational numbers
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a number that cannot be written in the form of a fraction
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leg
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either of the two sides that form the right angle of a right triangle
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line graph
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a graph that uses a line to show how something changes over time
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line of best fit
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a line that can be drawn between two points on a scatterplot to determine a trend
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line segment
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a part of a line with two endpoints
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linear equation
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an equation that can be represented as a straight line on a graph
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linear function
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a function that can be represented as a straight line on a graph
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linear inequality
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an inequality that can be represented as a straight line on a graph
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midpoint
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the point that divides a line segment into two congruent line segments
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negative correlation
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on a scatterplot, as the value of x increases, the value of y decreases
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negative slope
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a slope, less than 0, of a line that tilts downward from left to right
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no correlation
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on a scatterplot, no relation exists between the x- and y- values
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nonlinear function
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a function whose graph is not a straight line
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nonrepeating decimals
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decimals that continue on infinitely without repeating; they represent irrational numbers
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opposites
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numbers that are the same distance from 0 but on different sides of the number line
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parallel lines
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lines or line segments that do not meet or cross and remain the same distance apart
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positive correlation
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on a scatterplot, as the value of x increases, the value of y increases
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probability
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the chance that an event will occur
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Pythagorean Theorem
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the property of right triangles that states that the sum of the squares of the lengths of the legs is equal to the square of the length of the hypotenuse
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rational numbers
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a number that can be written in the form of a fraction
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real numbers
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the set of rational and irrational numbers
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repeating decimal
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a decimal with decimal digits that eventually repeat in the same pattern
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right triangle
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a triangle with one right angle
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scatterplot
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a graph that shows the relationship between two quantities
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scientific notation
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a number written as the product in which 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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slope
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a number that shows how much a line tilts
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slope-intercept form
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an equation in the form of y=mx+b
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standard form
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a linear equation in the form Ax + By = c
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straight angle
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an angle that measures 180 degrees
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system of linear equations
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two or more equations I two or more variables considered together
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terminating decimal
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a number with decimal digits that ends; it represents a rational number
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transversal
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a line that cuts through other lines
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undefined slope
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a term that means no slope exists; it applies to a vertical line
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unit price
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the cost of a single item or cost per unit of measurement
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unit rate
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a rate in which the second measurement or amount is 1 unit
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vertex
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the point where the rays meet in an angle or where 3 or more edges meet in a solid figure
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vertical angles
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two nonadjacent angles formed by two intersecting lines
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x-intercept
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the point where a line crosses the x-axis
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y-intercept
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the point where a line crosses the y
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