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For the rule :

  1. What is the -intercept?

    The -intercept is the point at which the graph intersects the
    -axis. The graph will intersect the -axis when .

    Substitute 0 for in the expression.

  1. What is the slope?

    The slope is the value that y increases or decreases when increases by one.

    Create a table of values or sketch the graph on graph paper.

    You should notice that from to the -value decreases by . What is the slope?