1. Homework Assignment Pg: 429 (1-3 all,6-8 all, 18,21,28)

2. Directions: Graph the following linear systems. 1.y= -x+2 y= x+2 Review Warm-Up Problem

3. Section 7.5 Special Types of Linear Systems There are ________ different categories of how many number of solutions there are in __________ systems. 1. Lines _______________. 2. Lines are _______________. 3. Lines that _______________.

4. Number of Solutions of a Linear System Lines Intersect 1.y= -2x+7 -y= -3x-2 Lines that intersect _________ have __________ solution.

5. Number of Solutions of a Linear System (cont.) Lines are Parallel 1.y= -2x+5 y= -2x+1 Lines that ___________ intersect have ____________ solutions.

6. Number of Solutions of a Linear System (cont.) Lines that Overlap 1.2x + y= 4 -4x –2y=-8 Lines that _______________ have ______________ solutions.

7. Example #1 Directions: Graph the Linear Systems and tell how many solutions it has. 1. 2x - 2y = 4 -x + y = -2 ________________ solutions

8. Example #2 Directions: Graph the Linear Systems and tell how many solutions it has. 2. -6x – 2y = 3 -4x + 4y = -6 ________________ solutions

9. Example #3 Directions: Graph the Linear Systems and tell how many solutions it has. 3. x + y = 8 x + y = -1 _______________ Solutions