Glencoe Algebra 1 Common Core Vocabulary for Chapter 4
Terms in this set (18)
The line that most closely approximates the data in a scatter plot
Data with two variables.
A linear function of the form y = b (horizontal line)
The function y = x
A function that is the inverse relation of a given function.
The set of ordered pairs obtained by exchanging the x-coordinate with the y-coordinate of each ordered pair in a relation.
The use of a linear equation to predict values that are outside the range of data.
The use of a linear equation to predict values that are inside of the data range.
An algorithm to find a precise line of fit for a set of data.
line of fit
A line that describes the trend of the data in a scatter plot.
A type of bst-fit line that is calculated using the medians of the coordinates of the data points.
Lines in the same plane that do not intersect and either have the same slope or are vertical lines.
Lines that intersect to form a right angle.
An equation of the form y - y1 = m(x - x1), where m is the slope and (x1,y1) is a given point on a nonvertical line.
A scatter plot shows the relationship between a set of data with two variables, graphed as ordered pairs on a coordinate plane.
An equation of the form y = mx + b, where m is the slope and b is the y-intercept.
A condition that a solution must satisfy.
A value that shows how close data points are to a line.