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Chapter 2 8th Math

Terms in this set (21)

Ordered Pair
A pair of numbers that can be used to locate a point on a coordinate plane
Coordinate Plane
A two-dimensional space formed by two perpendicular number lines called axes.
y-axis
the vertical axis on a coordinate plane
x-axis
the horizontal number line in a coordinate plane
quadrant
one of four sections into which the coordinate plane is divided
x-coordinate
The first number of an ordered pair. It corresponds to a number on the x-axis.
y-coordinate
The second number of an ordered pair. It corresponds to a number on the y-axis.
origin
(0,0)
Quadrant I
(+,+) quadrant
Quadrant II
(-,+) quadrant
Quadrant III
(-, -) quadrant
Quadrant IV
(+, -) quadrant
Continuous graph
a graph made up of connected lines or curves
Discrete Graph
a graph made up of unconnected points
relation
a set of ordered pairs
domain
the set of x values of the ordered pairs
range
The set of y values of the ordered pairs
function
A relation that pairs each input, with exactly one output
independent variable
represents the input of a function
dependent variable
represents the output of a function
vertical line test
A test used to determine whether a relation is a function by checking if a vertical line touches 2 or more points on the graph of a relation
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