any number that can be written in the form of a+bi
complex number
a unit of angular measure equal to 1/180th of a straight angle
degree
a relation that associates each value in the domain with exactly one value in the range
funtion
a quantity representing the power to which a fixed number (the base) must be raised to produce a given number.
logarithm
the Greek word for “measurement of triangles.”
trigonometry
adjacent/hypotenuse
cosine
a central angle that intercepts an arc s equal in length to the radius r of the circle.
radian
when a real number that can be written as a simple fraction
rational
a value f(c) that is greater than or equal to all range values of f on some open interval containing c
local maximum
for any two points in the interval a positive change in x results in a zero change in f(x)
constant
a value that, when multiplied by itself, produces a specified quantity
square root
An expression that can have constants, variables and exponents, that can be combined using addition, subtraction, multiplication and division
polynomial
ax2 + bx + c = 0
quadratic formula
in the xy- plane defines y as a function of x if and only if no vertical line intersects the graph in more than one point
vertical line test
A general term meaning "written down in the way most commonly accepted"
standard form
A number made by squaring a whole number.
perfect square
Interest calculated as a percent of the original loan
simple interest
first, outside, inner, last
FOIL
A line with a start point but no end point (it goes to infinity)
ray
Opposite in effect
inverse
hypotenuse/opposite
cosecant
How far a number is from zero
absolute value
a quantity representing the power to which a given number or expression is to be raised
exponent
a positive change between size or quantity
increase
this is formed by the intersection of a plane with two equal cones on opposites of the same vertex.
hyperbola
Where interest is calculated on both the amount borrowed and any previous interest.
compound interest