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 Flashcards Matching Hangman Crossword Type In Quiz Test StudyStack Study Table Bug Match Hungry Bug Unscramble Chopped Targets

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# CH 8 Vocabu

### CH 8 Vocabulary

Domain The set of first coordinates of the ordered pairs of a relation.
relation A set of ordered pairs.
range The second coordinates of the relation.
function A relationship in which each of the domain is paired with exactly one member of the range. A number of the domain is an input and the related number of the range is an output.
function notation A way of writing a function in which you us f(x) instead of y.
function rule An equation that describes a function.
linear equation Any equation whose graph is a line.
linear inequality A number sentence in which the equal sign of a linear equation is replaced with >,<, or ≤.
negative correlation As one set of values increases, the other set tends to decrease.
positive correlation As one set of values increases, the other set tends to increase.
no correlation The values show no relationship.
scatter plot A graph that shows the relationship between two sets of data.
slope The ratio that describes the tilt of a line. Slope = vertical change over horizontal change = rise over run.
slope-intercept form y = mx + b, where m is the slope and b is the y-intercept of the line.
solution An ordered pair that makes such an equation a true statement.
system of linear inequalities Two or more linear inequalities.
system of linear equations Two or more linear equations.
trend line A line that closely fits the data points in a scatter plot.
verticle-line test A test that allows you to describe graphically whether a relation is a function.
y-intercept The point where the line crosses the y-axis.
Created by: mach