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7th grade Ch. 4

7th Grade Course 3 Chapter 4 vocabulary

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
quadrant the x and y axis divide the coordinate plane into 4 regions. Each region is called a _________.
x-coordinate the first number in an ordered pair. It tells the distance to move right or left from the origin.
y-coordinate the second number in an ordered pair. It tells the distance to move up or down from the origin.
origin the point where the x-axis and y-axis intersect on the coordinate plane
graph of an equation a graph of the set of ordered pairs that are solutions of the equation
domain the set of all possible input values of a function
range the set of all possible output values of a function
function an input-output relationship that has exactly one output for each input.
vertical line test a method to check if a graph is a function. If a vertical line intersects the graph at more than one point, then the relationship is not a function.
sequence an ordered list of numbers
arithmetic sequence an ordered list of numbers in which the difference between consecutive terms is always the same
term a number in a sequence
common difference the difference between any two successive terms in an arithmetic sequence
Created by: galbreath01