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The sum of the items in a set of data divided by the number of items in the set; also called mean
The set of all points in a plane that are the same distance from a given point called the center
A line segment that passes through the center of a circle and has endpoints on the circle, or the length of that segment
Operations that undo each other: addition and subtraction, or multiplication or division
LCM (Least common multiple)
The smallest number, other than zero, that is a multiple of two or more given numbers
Line of Reflection
A line that a figure is figure is flipped across to create a mirror image of the original figure
The sum of the items in a set of data divided by the number of items in the set; also called average
A decimal system of weights and measures that is used universally in science and commonly throughout the world
The number or numbers that occur most frequently in a set of data; when all numbers occur with the same frequency, we say there is no mode
Order of Operations
A rule for evaluating expressions: first perform the operations in parentheses, then compute powers and roots, then perform all multiplication and division from left to right, and then perform all addition and subtraction from left to right
A closed plane figure formed by three or more line segments that intersect only at their endpoints
A polyhedron that has two congruent, polygon-shaped bases and other faces that are all rectangles
The x- and y-axes divide the coordinate plane into four regions. Each region is called a quadrant.
A line segment with one endpoint at the center of a circle and the other endpoint on the circle, or the length of that segment
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