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Ch 8 Vocab.

what is a set of ordered pairs? relation
what are the first coordinates of a relation? domain
what are the second coordinates of a realtion? range
what is when each memeber of the domain is paired with exactly one member of the range? function
what is any vertical line that passes through at most one point on the graph. if you can find a vertical line that passes through two points on the graph, then the relation is NOT a function? vertical-line test
what is an ordered pair that makes such an equation a true statement? solution
what is any equation whose graph is a line? linear equation
what is the ratio that describes the tilt of a line? slope
what is the point of the line where the line crosses the y-axis? y-intercept
the equation y= mx + b is what? slope-intercept form
what is when you use f(x) instead of y? function notation
what is an equation that describes a function? function rule
what is a graph that shows the relationship between two sets of data? scatter plot
what happens when one set of values increases, and the other set tends to increase? positive correlation
what is when one set of values increases, and the other set tends to decrease? negative correlation
what is when the values sho no relationship? no correlation
what closely fits the data points in the scatter plot? trend line
what do two or more linear equations form? system of linear equations
what happens if you replace the equal sign in a linear equation with >,<,greater than or equal to, or less then or equal to? linear inequality
what do two or more linear inequalities form? system of linear inequalities
Created by: Shythebutterfly