###
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

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