2. September 24 th, 2015

3. Questions?

4.  In past years we studied systems of linear equations.  We learned three different methods to solve them.  Elimination, Substitution and Graphing

5.  To solve is to find the intersections of the graph.  Put each in slope intercept form and graph

6. 1. Type equation 1 = y 1, equation 2 = y 2 2. Push 2 nd  TRACE  5, move cursor to the left intersection push ENTER 3 times. 3. Push 2 nd  TRACE  5, move cursor to the right intersection push ENTER 3 times.

21.  Pg. 158 #1-4  Pg. 159 #1-3,5  Pg. 160 #1-2