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Math Terms

8th Grade Math

TermDefinition
Absolute Value The distance of a number from zero.
Cartesian Coordinates A system in which points on a plane are identified by an ordered pair of numbers, representing the distances to two or three perpendicular axes.
Dependent Events Two events in which the outcome of the second is influenced by the outcome of the first.
Ellipse The set of all points in a plane such that the sum of the distances to two fixed points is a constant.
Irrational Number A number that cannot be expressed as the ratio of two integers.
Mutually Exclusive Two or more events that cannot occur at the same time.
Natural Numbers The set of all positive integers, not including zero. Also know as the counting numbers.
Pi The ratio of the circumference of a circle to its diameter.
Origin The point (0, 0) on a coordinate plane, where the x-axis and the y-axis intersect.
Square Root The square root of x is the number that, when multiplied by itself, gives the number, x.
Created by: dvg924
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