CP ­ 6.2 Solving Systems by Substitution.notebook
"Do Now"
February 03, 2014
CP ­ 6.2 Solving Systems by Substitution.notebook
February 03, 2014
CP ­ 6.2 Solving Systems by Substitution.notebook
February 03, 2014
CP ­ 6.2 Solving Systems by Substitution.notebook
February 03, 2014
CP ­ 6.2 Solving Systems by Substitution.notebook
February 03, 2014
CP ­ 6.2 Solving Systems by Substitution.notebook
Dishwasher Opening Example
Sticky Notes
y
x
y
x
February 03, 2014
CP ­ 6.2 Solving Systems by Substitution.notebook
Unit 8: Systems of Equations
6.2 Solving Systems using Substitution
Substitution
February 03, 2014
Date
Another method for solving a system of equations
(ie, see where lines intersect)
Step 1: Solve an equation for x or y, if necessary
(Get a sticky note by itself.)
Step 2: Substitute your answer from #1 into the
other equation. Solve for the other variable.
(Substitute into the other sticky note of the same
color.)
Step 3: Use your value from #2 to find the last
missing variable.
(Find the different sticky note variable.)
CP ­ 6.2 Solving Systems by Substitution.notebook
Solve the system using substitution.
y
x
y
x
February 03, 2014
CP ­ 6.2 Solving Systems by Substitution.notebook
February 03, 2014
Solve the system using substitution.
x
y
y
x
x
y
x
y
CP ­ 6.2 Solving Systems by Substitution.notebook
February 03, 2014
Solve the system using substitution.
y
x
x
y
CP ­ 6.2 Solving Systems by Substitution.notebook
Partner Work
February 03, 2014
CP ­ 6.2 Solving Systems by Substitution.notebook
February 03, 2014
Solve the system using substitution.