vocab 1
a set of ordered pairs
What is a Relation?
each x goes to one y
What is a Function?
ordered list of numbers that form a pattern
What is a Sequence?
describes a cause and effect relationship
What is Causation?
each number in the sequence
What are the Terms of a Sequence?
the set of inputs, x-values
What is the Domain?
a set of outputs, y-values
What is the Range?
a line that models the data in the scatter plot
What is a Trend Line?
a method for writing variables as a function of other variables
the trend line that most closely matches the data
What is the Line of Best Fit?
a method to calculate the line of best fit
What is Linear Regression?
as the x values increase, the y values decrease
What is a Negative Association/Correlation?
the domain consists of whole numbers or integers, the graph is a series of data points
What is Discrete?
the domain includes all real numbers, the graph is a line or curve
What is Continuous?
as the x values increase, the y values increase
What is a Positive Association/Correlation?
no general relationship between x-values and y-values
What is No Association?
An=A1+(n-1)d
What is Explicit Formula?
a set of data that uses two variables
What is a Bivariate?
the difference between two terms of an Arithmetic Sequence (d)
What is the Common Diffrence?
A1= 1st term; An=An-1+d
What is Recursive Formula?
the difference between any two consecutive terms is a constant called the common difference
What is an Arithmetic Sequence?
the difference between the actual y-value and the predicted y-value
What is Residual?
using a model to estimate a value within the range of known values
What is Interpolation?
the specific class we are in right now
What is Algebra 1?
using a model to estimate a value outside the range of known values
What is Extrapolation?