120917 3.1 3.2 Solving System of Equations.notebook
Transcript of 120917 3.1 3.2 Solving System of Equations.notebook
120917 3.1 3.2 Solving System of Equations.notebook
1
September 17, 2012
120917 3.1 3.2 Solving System of Equations.notebook
2
September 17, 2012
WarmUp
Graph x2y=0 and x+y=6 on the same coordinate plane.
Example 1.)
Graph 9x 6y = 6 and 6x 4y = 4 on the same coordinate plane
120917 3.1 3.2 Solving System of Equations.notebook
3
September 17, 2012
Example 2.) Graph 15x6y=0 and 5x2y=10 on the same coordinate plane.
120917 3.1 3.2 Solving System of Equations.notebook
4
September 17, 2012
Example 4b.)
Use substitution to solve the system of equations:x + 2y = 81/2 x y = 18
120917 3.1 3.2 Solving System of Equations.notebook
5
September 17, 2012
Example 5.)
Use substitution to solve the system of equations:x + 4y = 26x 5y = 10
Example 6.) Solve the system of equations using elimination:4a+2b=152a+2b=7
120917 3.1 3.2 Solving System of Equations.notebook
6
September 17, 2012
Example 7.) Solve the system of equations using elimination:
3x 7y = 145x + 2y = 45
Example 8.) Solve the system of equations using elimination:
2x + 3y = 125x 2y = 11
120917 3.1 3.2 Solving System of Equations.notebook
7
September 17, 2012