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Math Vocab
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Terms in this set (30)
Range
The set of all output values in a relation, y-values
Function
A specific relation in which each input is matched to one and only one output.
relation
any set of ordered pairs
Domain
the seat of all input values in a relation, x- values
ordered pairs
any point to be plotted in the coordinate grid.
Variable
A letter or symbol used to represent a number
Intersecting Lines
Two lines that have one point in common, has one solution
Collinear Lines
The graph of two equations results in the same line: has infinitely many solutions
Point of intersection
The spot, or point, on a graph where two lines cross.
input
x-value that go into a function
output
y-value that go into a function
Parallel Lines
Two lines that never intersect and no ordered pairs in common: no solution
vertical line test
a method of determining if a graph is a function by visualizing the intersection of a vertical line.
function table
A table that describes a function by displaying inputs and corresponding outputs.
mapping
Pairing the elements of the domain with the elements of the range.
Positive Slope
When a line slants "uphill"; the rate of change of a line.
Unit Rate
How many units of one type of quantity corresponds to one unit of another type of quantity.
Proportional relationship
A relationship between two equal ratios
Origin
The point of intersection of the x and y axis; coordinates are (0, 0).
Slope
The "steepness" of a line; the rate of change of a line.
initial value
y-intercept
Linear
An equation in which the graph of the solution is a non-vertical line
Non-Linear
When looking at a graph, it is not a line. In an equation, the exponent is anything other than 1.
Rate Of Change
The rate that something changes; also known as the slope.
Outlier
A number in a data set that is significantly smaller or larger than the other numbers.
Negative Slope
When a line slants "downhill" from left to right; as x increases, y decreases proportionally.
Zero Slope
A horizontal line from left to right where all points have the same y-value.
Undefined Slope
A vertical line where all points have the same x-value.
Function Table
A table of ordered pairs that follow a rule.
Linear Equation
The equation of a line in the form y=mx+b.
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