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