Solving and Graphing Solving and Graphing InequalitiesInequalities

Unit 3Unit 3

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Solve: 2 7 5x

-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10

Example #1Example #1

7 7

2 12x 2 -2

6x

Greater than or equal to means closed circle and arrow.

Solve: 1 14x

-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10

Example #2Example #2

1 1

24x

4 4

8x

Less than means open circle and arrow.

Solve: 4 2 2 6x x

-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10

Example #3Example #3

2 2x x

2 2 6x +2 +22 8x

Less than means open circle and arrow.

4x