Chapter 0
A positive or negative whole number
Integer
a number in front of a variable
coefficient
the two shorter sides of a right triangle
legs
makes a straight line
linear
linear equations with the same slope are
parallel
Numbers such as pi or the square roots of imperfect squares
irrational
the possible x-values or inputs of a function
domain
the 'flip' of a fraction
reciprocal
does not make a straight line
nonlinear
linear equations with opposite reciprocal slope are
perpendicular
numbers that can be written as the ratio of two integers
rational
the possible y-values or outputs of a function
range
the number that does nothing for an operation is called the ____________
identity
the change in y over the change in x, abbreviated using m.
slope
a sequence with a common ratio
geometric
a ratio that compares to 100
percent
a point where the graph crosses an axis
intercept
the longest side of a right triangle
hypotenuse
a sequence with a common difference
arithmetic
the number that an exponent is attached to
base
a collection of objects called elements
set
a type of relation where each x has 1 y
function
an equation stating two equal ratios
proportion
a value that does not change, a number not in front of a variable.
constant
a compact way of writing really large or small numbers
scientific notation