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

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Presentation transcript:

“All real numbers less than or equal to negative two”

x < 4

x <

x  –4

VARIABLE S ON THE LEFT- SIDE !

VARIABLE S ON THE LEFT- SIDE ! x  6

“All real #s that are greater than negative five and less than seven”

“All real #s that are greater than negative five and less than seven” –5 < x < 7

“All real #s that are less than negative five or greater than seven”

2  x  4

x  2 and x  4 2  x  4

x  2 and x  4 2  x  4

“All real #s that are greater than or equal to two and less than or equal to four” x  2 and x  4 2  x  4

Solve 2x x –3 – x 12

x 3

x 3

x 3

“All real #s that are less than negative one or greater than three” x 3

] Graph –2  x  5 2] Is x = 9 a solution of – x – 2  –4 ? 3] Solve 5 – 2x  274] Solve x + 5 < 2 SOLVE & GRAPH : 5] 3x + 2  –10 or 2x – 4  –4 6] –19  3x – 4 

1] Graph –2  x  5 2] Is c = 9 a solution of – x – 2  –4 ? 3] Solve 5 – 2x  274] Solve x + 5 < 2 SOLVE & GRAPH : 5] 3x + 2  –10 or 2x – 4  –4 6] –19  3x – 4  2 YES ; –5  – 4 x  – x 0 x  –5 and x  2