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Level 361

Relations & Functions


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.Coordinate plane
formed by the intersection of two number lines, the horizontal axis and the vertical axis.
x-axis
The horizontal axis on a coordinate plane.
y-axis
The vertical axis on a coordinate plane.
quadrants
Four regions into which a coordinate plane is divided by the x-axis and the y-axis
origin
The centre point of a number line (ground floor of a hotel, freezing point on a thermometer)
ordered pair
A pair of numbers that can be used to locate a point on a coordinate plane.
x-Coordinate
is the first number in an ordered pair and it represents the location relative to the x-axis.
y-Coordinate
The vertical measure, which is the second number in an ordered pair.
discrete graph
a graph that consists of points that are not connected
continuous graph
A graph with no holes, jumps, or breaks.
Relation
A Smart Art graphic type that compares connections between concepts.
Domain
The ______________________ is all the possible INPUT, X, values.
Range
The difference between the greatest number and the least number in a set of data.
mapping
illustrates how each element of the domain is paired with a element of the range.
function
If you repeat an INPUT, and you always get the same OUTPUT, your data is a ______________________ .
Function notation
In general, a special numerical relationship where the symbol f(x) replaces y and is read as "the value of f at x" or simply as "f of x".
Input
the first coordinate of an ordered pair in a relation (x,y)
Output
the second coordinate of an ordered pair in a relation (y in x, y)
VERTICAL LINE TEST
A line is a function is it passes the
zeros
the x-intercepts of the graph of a function. The points for where y=0
Arithmetic sequence
a sequence of numbers that has a common difference between every two consecutive terms
common difference
The ______________________ is the amount you ADD to get each new term in a sequence.
arithmetic sequence formula
a formula used to find the nth number of an arithmetic sequence