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Functions and Linear Relationships Vocabulary

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  • The horizontal axis on the coordinate plane
    X Axis
  • Formed by the intersection of two number lines, the horizontal axis and the vertical axis
    coordinate plane
  • The vertical axis on the coordinate plane
    Y Axis
  • The four regions into which the x and y axis separate the coordinate plane
    quadrants
  • The point at which the x and y axis intersect on the coordinate plane
    origin
  • The set of numbers, or coordinates, written in the form (x,y)
    ordered pair
  • A set of ordered pairs
    relation
  • If any vertical line passes through the graph of a relation no more than once, then it is a function
    vertical line test
  • The x value of an ordered pair, represents the horizontal placement of the point
    X coordinate
  • A relation in which each element of the domain is paired with exactly one element of the range
    function
  • The set of x-values within the ordered pairs of a relation
    domain
  • The y-value of an ordered pair, represents the vertical placement of the point
    Y coordinate
  • The set of y-values within the ordered pairs of a relation
    range