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same side exterior angles
Angles located outside a set of parallel lines and on the same side of the transversal
same side interior angles
Angles located inside a set of parallel lines and on the same side of the transversal
sample space
See outcome space
scatter plot
A graphical representation of the distribution of two random variables as a set of points whose coordinates represent their observed paired values.
sector
A non-overlapping piece of an object. In the context of a spinner or a circle graph, a "sector" is one of the sections of the graph.
self-similarity
Two or more objects having the same characteristics. In fractals, the shapes of lines at different iterations look like smaller versions of the earlier shapes
sequence
An ordered set whose elements are usually determined based on some function of the counting numbers
set
A set is a collection of things, without regard to their order
significant digits
The number of digits to consider when using measuring numbers. There are three rules in determining the number of digits considered significant in a number.
1) All non-zeros are significant. 2) Any zeros between two non-zeros are significant. 3) Only trailing zeros behind the decimal are considered significant slope of a linear function
The slope of the line y = mx + b is the rate at which y is changing per unit of change in x. The units of measurement of the slope are units of y per unit of x (cf. Linear Functions Discussion).
square
A parallelogram with four congruent sides and four right angles
standard deviation
Standard deviation tells how spread out numbers are from the average, calculated by taking the square root of the arithmetic average of the squares of the deviations from the mean in a frequency distribution
subset
A subset of a given set is a collection of things that belong to the original set. For example, A={a,b} could include, a, b, a and b, or the null set (neither)
subtraction
The operation in which the difference between two numbers or quantities is calculated. Also, the inverse of addition
superscript
In mathematics, superscripts are numbers or letters written above and to the right of other numbers or letters or symbols indicating how many times the latter is to be used as a factor. When typing, one can represent a superscript by using the ^ symbol to indicate raising the number. For example, x3 is the same as x^3, which equals x * x * x
surface area
A measure of the number of square units needed to cover the outside of a figure
symmetry
The correspondence in size, form, or arrangement of parts on a plane or line. In line symmetry, each point on one side of the line has a corresponding point on the opposite side of the line (picture a butterfly, with wings that are identical on either side). Plane symmetry refers to similar figures being repeated at different but regular locations on the plane
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