1. Put each equation into the form
Bell Ringer
Put each equation into the form
y = mx + B
1. 3x + y = 9
2. -2x + y = 17
3. ½X + y = 3
4. X + ½y = 4

2. Announcements May 8 – Math Placement Test
May 8 – Last Day to turn in Late Work
Tuesday, may 5 – quiz over solving systems of equations by graphing
Last Homework sheet you will get – Keep up with it!!

3. Finish Class Work
You have 10 minutes!!

4. Check Class Work y = 2x and y = x + 3 y = -3x and y = -2x - 2

5. Check Class Work 6. ½ y = 4x – 6 and ¼ y = 2x - 3

6. Section 8.10 Solving Systems of Equations Substitution
R drive > Key > May 4_8 >
5_4__8.10 Systems Substitution
File > Save As > R drive > Math > May 4_8 > 5_4__8.10 Systems Substitution

7. Example 1 Solve by Substitution
Solve each system of equations by substitution. y = x + 2 y = 5

8. Example 2 Solve by Substitution
Solve each system of equations by substitution. y = 5 y = x + 4

9. Example 3 Solve by Substitution
Solve each system of equations by substitution. y = 7 - x x = 3

10. Example 4 Solve by substitution
Solve each system of equations by graphing. y = 7 y = 2x - 5

11. Homework Section 8.10 #5-7, 16-21