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Algebra Vocabulary Chapter 4
Ch. 4 vocab
20
Mathematics
8th Grade
10/18/2007

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Term
arithmetic sequence
Definition
the difference between succesive terms is constant
Term
coordinate plane
Definition
points are located in reference to the x and y axis
Term
function
Definition
relations in which each element of the domain is paired with exactly one element of the range
Term
function notation
Definition
equations that are functions can be written in this form
Term
graph
Definition
to draw a dot at the point on the coordinate plane that corresponds to the ordered pair
Term
inverse
Definition
switching the coordinates in each ordered pair
Term
linear equation
Definition
equation of a line
Term
mapping
Definition
illustrates how each element of the domain is paired with an element in the range
Term
quadrant
Definition
any of the four regions of the coordinate plane
Term
sequence
Definition
set of numbers in a specific order
Term
standard form
Definition
form of writing linear equations
Term
terms
Definition
numbers in the sequence
Term
vertical line test
Definition
test used to see if a graph represents a function
Term
x-intercept
Definition
the x coordinate of the point at which it crosses the x axis
Term
y intercept
Definition
the y coordinate of the point at which the graph crosses the y axis
Term
transformation
Definition
movements of geometric figures
Term
dilation
Definition
a figure is enlarged or reduced
Term
rotation
Definition
a figure is turned around a point
Term
reflection
Definition
a figure is flipped over a line
Term
translation
Definition
a figure is slid in any direction
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