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Transcript 
Chapter 3 Linear
Systems Review
Solve by graphing
x + 2y = -7
2x – 3y = 0
Solve by graphing
-x + y =2
2x + y = 5
Classify the system without graphing
(independent, dependent, inconsistent)
3x + y = 5
15x + 5y = 2
Classify the system without graphing
(independent, dependent, inconsistent)
y = 2x + 3
-4x + 2y = 6
Classify the system without graphing
(independent, dependent, inconsistent)
x–y=5
y + 3 = 2x
Solve.
-2x + 5y = -2
x – 3y =3
Solve
3x – 2y = 14
2x + 2y = 6
Solve
3x + 7y =15
5x + 2y = -4
Solve
3x – y = 0
4x + 3y = 26
If an equation gives an answer like…
2x – y = 3
-2x + y =-3
0=0
What is your answer?
If an equation gives an answer like…
2x – 3y = 18
-2x + 3y = -6
0 = 12
What is your answer?
Solve by graphing
y ≤ -2x + 4
x >3
Solve by graphing
4x + y > 2
y ≤ 3x - 6
Solve by graphing
y ≥ -2x + 4
y ≤ | x – 4| + 4
Graph the point in coordinate space
( -2, -1, 3)
Sketch the graph of the equation
2x + 4y + 6z = 12
Solve
x – y + z + -1
x + y + 3z = -3
2x – y + 2z = 0
Solve
3a + b + c =7
a + 3a – c = 13
b = 2a – 1
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