1. W ARM UP ( REVIEW )

2. 9x-9y>-36

3. 2.7 P IECEWISE F UNCTIONS

4. S TEP F UNCTIONS

6. G RAPH :

13. 3x – y < 7

14. 2.8 G RAPHING A BSOLUTE V ALUE F UNCTIONS

15. S TANDARD FORM : Y = A | X - H | + K Vertex is at (h, k) & is symmetrical in the line x=h A = slope V-shaped If a>0 the graph opens up (a is positive) If a< 0 the graph opens down (a is negative) The graph is wider if |a| < 1 (fraction < 1) The graph is narrower if |a| > 1

16. Vertex is at ________ This graph opens ___________ The slope is _______

17. Vertex is at ________ This graph opens ___________ The slope is _______

18. T O GRAPH A BSOLUTE VALUE F UNCTIONS OF THE FORM Y = A | X - H | + K 1. Plot the vertex (h,k). 2. Use the slope to plot another point to the RIGHT of the vertex and the LEFT of the vertex. 3. Complete the graph.

19. 3) G RAPH Y = | X + 2| + 3 1. V = 2. Opens _____ 3. Slope =

20. 4) G RAPH Y = -½| X - 1| + 1 1.V = 2. Opens _____ 3.Slope =

21. 5) G RAPH Y = 2| X - 4| - 1 1.V = 2. Opens _____ 3.Slope =

22. 6) G RAPH Y = -3| X - 4| 1.V = 2. Opens _____ 3.Slope =