Fri. - Mar 1, 2019 - Alg 1 CP Cycle 7

February 28, 2019 | Alg 1 CP Cycle 7 - March 2019 | March 5, 2019 |

4-2 Solving Systems of Equations by Substitution

Goal (SWBAT):

Solve a system of linear equations by substitution

Agenda:

1. Warm Up

2. Steps to solve LinSys by sub

a. solve for one variable

b. Substitute expression from (a) into other equation; solve for remaining variable

c. Sub value from (b) into equation from (a); solve for variable

d. Check

3. Number of solutions

4. Application

2. Steps to solve LinSys by sub

a. solve for one variable

b. Substitute expression from (a) into other equation; solve for remaining variable

c. Sub value from (b) into equation from (a); solve for variable

d. Check

3. Number of solutions

4. Application

Assignment:

4-2 Read pp151-154, Do p155 (11, 12, 19-27, 30, 34) (Due Fri)

Handouts:

- (null): Alg1 Book 4-2 Practice
- Alg1 Book 4-2 Practice
- (null): A1 4-2 LinSys Sub
- A1 4-2 LinSys Sub
- (null): HSM18_A1_T04_L02_PPS
- HSM18_A1_T04_L02_PPS

Web Links:

- https://youtu.be/8tcG1VGmy9U
- A1 4-2 VIDEO