Ch 8 Vocab.
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| what is a set of ordered pairs? | relation
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| what are the first coordinates of a relation? | domain
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| what are the second coordinates of a realtion? | range
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| what is when each memeber of the domain is paired with exactly one member of the range? | function
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| 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
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| what is an ordered pair that makes such an equation a true statement? | solution
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| what is any equation whose graph is a line? | linear equation
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| what is the ratio that describes the tilt of a line? | slope
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| what is the point of the line where the line crosses the y-axis? | y-intercept
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| the equation y= mx + b is what? | slope-intercept form
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| what is when you use f(x) instead of y? | function notation
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| what is an equation that describes a function? | function rule
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| what is a graph that shows the relationship between two sets of data? | scatter plot
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| what happens when one set of values increases, and the other set tends to increase? | positive correlation
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| what is when one set of values increases, and the other set tends to decrease? | negative correlation
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| what is when the values sho no relationship? | no correlation
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| what closely fits the data points in the scatter plot? | trend line
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| what do two or more linear equations form? | system of linear equations
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| 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
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| what do two or more linear inequalities form? | system of linear inequalities
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Created by:
Shythebutterfly
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