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equilateral polygon

a polygon whose sides all have equal lengths

equilateral triangle

a triangle whose three sides all have equal lengths

equivalent equations

equations that have the same solution set

even integer

any member of the set { ...-6, -4, -2, 0, 2, 4, 6...}

event

in statistics, an outcome of an experiment

exponent

the number that indicates the number of times the base of a power is to be used as a factor

exponential function

a function of the form y=kb^x, where k and b are constants and b≠0 or b≠1

factor

one of two or more numbers or quantities that are multiplied to form a product

fraction

a quotient indicated by writing two numbers vertically and separating them with a short line segment

function

a mapping that pairs each member of a set called the domain with exactly one member of another set called the range