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# 7th Grade Math Ch.3

ordered pair a pair of numbers that can be used to locate a point on a coordinate plane.
coordinate plane a plane formed by the intersection of a horizontal number line called the x-axis and a vertical number line called the y-axis.
x-axis the horizontal axis on a coordinate plane
y-axis the vertical axis on a coordinate plane
x-coordinate the first number in an ordered pair
y-coordinate the second number in an ordered pair
origin the intersection of the x-axis and y-axis. The point (0,0)
graph of an equation the set of all ordered pairs that are solutions of the equation
function a rule that relates two quantities so that each input value corresponds to exactly one output value.
input the value substituted into an expression or function
output the value that results from the substitution of a given input into a function
domain the set of all possible input values
range the set of all possible output values
vertical line test A test used to tell if a graph is a function. If a vertical line intersects the graph at only one point, then the relationship is a function.
sequence an ordered list of numbers or objects
term an element or number is a sequence
arithmetic sequence an ordered list of numbers in which the difference between consecutive terms is always the same
common difference the difference between nay two successive terms in an arithmetic sequence
Created by: galbreath01