“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