Mon. - Mar 2, 2020 - Alg 1 CP Cycle 7
4-2 Solving Systems of Equations by Substitution
Goal (SWBAT):
Solve a system of linear equations by substitution
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
4-2 Read pp151-154, Do p155 (11, 12, 19-27, 30, 34)
(null): HSM18_A1_T04_L02_PPS
(null): Alg1 Book 4-2 Practice
Alg1 Book 4-2 Practice
(null): A1 4-2 LinSys Sub
A1 4-2 LinSys Sub
Web Links:
A1 4-2 VIDEO