Characteristics of Linear Graphs

Vocabulary ZERO: Where the graph crosses the X-Axis Y-INTERCEPT: Where the graph crosses the Y-Axis END BEHAVIOR: Does the graph Increase or decrease at the ‘ends’ of the graph (what do the arrows do?)

Example Zero:________ Y-Intercept:_________ End Behavior: ________________________

Example Zero:________ Y-Intercept:_________ End Behavior: ________________________

Example Zero:________ Y-Intercept:_________ End Behavior: ________________________

Domain The set containing all of the x-values. *When finding the domain of a graph, ask yourself these 2 questions: 1.) What is the left-most point of this graph? 2.) What is the right-most point of this graph?

Range The set containing all of the y-values. *When finding the range of a graph, ask yourself these 2 questions: 1.) What is the highest point of this graph? 2.) What is the lowest point of this graph?

Example Domain:________________ Range:__________________

Example Domain:________________ Range:__________________

Example Domain:_______________ Range:________________

Increasing & Decreasing MOVE LEFT TO RIGHT If your finger goes UP, the graph is increasing. If your finger goes DOWN, the graph is decreasing. If your finger goes neither up or down…then the graph is CONSTANT.

Example Increasing or Decreasing? _________________________

Example Increasing or Decreasing? __________________________

Example Increasing or Decreasing? ___________________________

Put them ALL together! Zero:_________ Y-Intercept:__________ End Behavior:______________ Domain:______________ Range:_______________ Increasing or Decreasing? ________________________