Y 4 3 2 1 -4 -3 -2 -1 x -4 -3 -2 -1 0 1 2 3 4.

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Presentation transcript:

y 4 3 2 1 -4 -3 -2 -1 x -4 -3 -2 -1 0 1 2 3 4

Example 1 y 4 3 2 1 -4 -3 -2 -1 x -4 -3 -2 -1 0 1 2 3 4 X = 3

Example 2 y 4 3 2 1 -4 -3 -2 -1 y = -1 x -4 -3 -2 -1 0 1 2 3 4

Question 1 y 4 3 2 1 -4 -3 -2 -1 x -4 -3 -2 -1 0 1 2 3 4

Question 2 y 4 3 2 1 -4 -3 -2 -1 x -4 -3 -2 -1 0 1 2 3 4

Question 3 y 4 3 2 1 -4 -3 -2 -1 x -4 -3 -2 -1 0 1 2 3 4

Question 4 y 4 3 2 1 -4 -3 -2 -1 x -4 -3 -2 -1 0 1 2 3 4

Question 5 y 4 3 2 1 -4 -3 -2 -1 x -4 -3 -2 -1 0 1 2 3 4

Question 6 y 4 3 2 1 -4 -3 -2 -1 x -4 -3 -2 -1 0 1 2 3 4

Question 7 y 4 3 2 1 -4 -3 -2 -1 x -4 -3 -2 -1 0 1 2 3 4

Question 8 y 4 3 2 1 -4 -3 -2 -1 x -4 -3 -2 -1 0 1 2 3 4

Question 9 y 4 3 2 1 -4 -3 -2 -1 x -4 -3 -2 -1 0 1 2 3 4

Question 10 y 4 3 2 1 -4 -3 -2 -1 x -4 -3 -2 -1 0 1 2 3 4

Answers x = -2 y = 1 x = 4 y = -2 y = 3 x = -1 y = -3 x = 0 y = 0

Linear inequalities

y 4 3 2 1 -4 -3 -2 -1 This line is x=2 The region of the graph this side of the line is x > 2 The region of the graph this side of the line is x < 2 x -4 -3 -2 -1 0 1 2 3 4

y 4 3 2 1 -4 -3 -2 -1 This line is y=x+2 The region of the graph this side of the line is y > x+2 x The region of the graph this side of the line is y < x+2 -4 -3 -2 -1 0 1 2 3 4