Systems of Equations 1
slope-intercept form
Two numbers that are equal
Two or more equations that have the same variables
What is a system of equations?
y=mx+b
Infinitely Many
No Solution
What is the solution of the linear system of equations?
(-1, 1)
(0,2)
(1, -1)
(0, 0)
Infinitely Many
What is the solution of the linear system of equations?
No Solution
(-1, 1)
What is the solution of the linear system of equations?
Infinitely Many
No Solution
(-1, 1)
Solve the linear system by using substituion.
2x+y=8
y=x-7
Which variable is isolated?
What does the isolated variable equal?
What is the solution of the linear system?
What is the new equation when you substitute?
2x+(       )=8

(

,
x
 y 
)
Solve the system by elimination.


7x-4y=-30
3x+4y=10
What is the solution of the linear system?

(

,
)
What is the solution of the linear system?
Follow the steps to solvethe system by elimination.
  

 2x +  y =  3
-4x - 4y = -8

(

,
)
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