Chapter 3 Linear Systems Review

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Presentation 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