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picture1_Solving Inequalities Pdf 181867 | Inequalities


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File: Solving Inequalities Pdf 181867 | Inequalities
basic mathematics inequalities rhoran m lavelle the aim of this document is to provide a short self assessment programme for students who wish to ac quire a basic competence in ...

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               Math 120                                                                                                                                                        Name___________________________________
               Review Sheet:  Inequalities                                                                                                                                                                                                   Date________________
               Draw a graph for each inequality.
               1)  −v ≤ −3                                                                                                                                   2)  x > 4
                        −7 −6 −5 −4 −3 −2 −1 0                           1     2     3     4     5     6     7                                                        −7 −6 −5 −4 −3 −2 −1 0                           1     2     3     4     5      6     7
               3)  m ≥ −6                                                                                                                                    4)  k ≥ −3
                        −7 −6 −5 −4 −3 −2 −1 0                           1     2     3     4     5     6      7                                                       −7 −6 −5 −4 −3 −2 −1 0                           1     2     3     4     5     6     7
               5)  x > 0
                        −7 −6 −5 −4 −3 −2 −1 0                           1     2     3     4     5     6     7
               Write an inequality for each graph.
               6)                                                                                                                                            7)  
                            −7 −6 −5 −4 −3 −2 −1 0                           1     2     3     4     5     6     7                                                        −7 −6 −5 −4 −3 −2 −1 0                           1     2     3     4     5     6     7
               8)                                                                                                                                            9)  
                            −7 −6 −5 −4 −3 −2 −1 0                           1     2     3     4     5     6     7                                                        −7 −6 −5 −4 −3 −2 −1 0                           1     2     3     4     5     6     7
               10)  
                               −7 −6 −5 −4 −3 −2 −1 0                           1     2     3     4     5     6     7
               Solve each inequality and graph its solution.
               11)  −2x > 18                                                                                                                                 12)  13 − p > 2
                       −13 −12 −11 −10                       −9        −8       −7        −6       −5                                                                  6         7        8         9       10       11        12       13        14
                           m                                                                                                                                 14)  300 ≥ −20n
               13)               < −19
                           9
                                                                                                                                                                      −19 −18 −17 −16 −15 −14 −13 −12 −11 −10
                      −176               −174               −172               −170              −168
                                         r                                                                                                                   16)  14 ≤ x + 17
               15)  20 < 
                                       12
                                                                                                                                                                      −6           −5          −4           −3          −2           −1           0
                        238               239                240                241                242
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                                                    (       )
               17)  −18 < n +  −3                                                                                                                           18)  −15 + b ≥ −34
                       −19          −18         −17         −16          −15         −14          −13                                                                −23         −22          −21         −20          −19         −18          −17
                                                                                                                                                                                 (        )
               19)  4 ≤ v − 5                                                                                                                               20)  x −  −7  > 4
                         4         5          6          7          8         9         10         11                                                                −8         −7         −6        −5         −4         −3         −2        −1
                                                   n                                                                                                                                    a
               21)  0 < −1 +                                                                                                                                22)  −10 ≤   − 9
                                                 12                                                                                                                                     8
                         7        8         9       10        11       12       13        14       15                                                                −10                 −9                −8                 −7                 −6
                                                     k                                                                                                                               −4 + p
               23)  −3 > −4 +                                                                                                                               24)  −7 ≥ 
                                                     9                                                                                                                                      2
                         7          8         9         10         11         12        13         14                                                                −12            −11            −10             −9             −8             −7
                          7 + x                                                                                                                             26)  3 + 7m ≤ −18
               25)                       ≥ 2
                              −2
                                                                                                                                                                      −5                −4                 −3                 −2                −1
                       −13            −12            −11            −10             −9             −8
                                                                                                                                                                           (                 )
               27)  −4n − 1 < −37                                                                                                                           28)  2 −7 + x  > −2
                         6              7              8              9             10             11                                                                 1       2      3       4      5       6      7       8      9      10     11
                                                                                                                                                                           (             )
               29)  −69 ≤ −1 − 4r                                                                                                                           30)  2 4 + n  > −22
                        15         16         17        18         19         20        21         22                                                                −20 −19 −18 −17 −16 −15 −14 −13 −12 −11 −10
               31)   b − 5  ≥ 1                                                                                                                             32)   −2r  ≤ 10
                            1       2        3        4       5        6       7        8        9      10       11                                                      −7 −6 −5 −4 −3 −2 −1 0                               1      2      3     4      5      6
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               33)   4x  < −12                                                                                                                                 34)   −3n  ≥ −21
                           −6       −5      −4       −3       −2      −1        0        1        2       3        4                                                       −5      −4      −3      −2      −1       0       1       2       3       4      5       6
                              a                                                                                                                                36)  −4 x + 3  ≥ −20
               35)                    ≤ 5
                              3
                                                                                                                                                                          −10          −8           −6          −4           −2           0           2            4
                             −16       −12        −8        −4         0         4         8        12        16
                                         v                                                                                                                                    9 + x
               37)  8 +                            ≥ 9                                                                                                         38)                           ≥ 5
                                        10                                                                                                                                        8
                              −12          −8           −4            0            4            8           12                                                             −50       −40      −30       −20       −10         0        10        20        30
               39)  −7 +  k − 8  ≤ 10                                                                                                                                         n + 2
                                                                                                                                                               40)                           < 3
                                                                                                                                                                                 4
                                  −8       −4        0        4        8        12       16       20       24
                                                                                                                                                                           −16        −12          −8         −4           0           4          8          12
               41)  10 −4x − 8  + 2 ≤ −38                                                                                                                      42)  2 −7p + 9  + 3 > 41
                           −5 −4 −3 −2 −1 0                         1      2     3      4      5      6     7      8                                                       −4 −3 −2 −1 0                      1     2      3      4     5      6      7      8     9
               43)  8 + 4 −9 − 3n  < 92                                                                                                                        44)  8 + 5 6r − 9  ≤ 23
                              −12 −10 −8                  −6      −4       −2        0        2       4        6                                                           −2                −1                0                 1                2                 3
                                                                                                                                                                                 (              )
               45)  9 9m − 9  + 6 > 87                                                                                                                         46)  −4 b + 6  ≥ −16
                           −3         −2         −1          0          1          2         3          4          5                                                    −5        −4       −3        −2       −1         0        1         2        3
                                 (              )                                                                                                                            (                     )
               47)  −3 v − 3  − 6 ≥ 12                                                                                                                         48)  8 −3x − 2  ≥ 32
                        −7       −6        −5       −4        −3       −2        −1        0         1                                                                  −7 −6 −5 −4 −3 −2 −1 0                                        1      2       3
                                 (                 )                                                                                                                         (                  )
               49)  −7 2 + 5n  + 1 ≥ 57                                                                                                                        50)  2 −4 + a  ≥ −12
                        −4                 −3                 −2                 −1                  0                                                                  −4             −3              −2             −1              0              1
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                                 (                 )           (                 )                                                                                                              (                 )           (                  )
               51)  −2 1 + 7v  + 7 8 + 3v  ≥ 12                                                                                                                  52)  12 > −5 4 − 6x  + 4 1 − 4x
                       −10           −9          −8           −7           −6           −5           −4                                                                   0          1          2          3          4          5          6          7
                                           (                  )           (              )                                                                                                      (              )           (                  )
               53)  −3 ≥ 4 6x − 6  − 5 x − 8                                                                                                                     54)  25 > −3 n − 1  − 2 3 − 5n
                        −3             −2              −1              0              1               2                                                                    0         1        2         3         4        5         6         7        8
                                           (              )           (                 )                                                                                                                            (                  )
               55)  37 ≤ 5 8 + k  − 6 3k − 6                                                                                                                     56)  6 − 3p > −2 + 8 5p + 1
                         1              2               3              4              5               6                                                                   −3         −2         −1          0          1          2          3          4
                              (              )                                                                                                                                                               (                  )
               57)  − n + 4  < 3n − 20                                                                                                                           58)  −17 + 8x ≥ 5 7x + 2
                         −1       0        1       2        3       4        5       6        7        8                                                                  −6       −5        −4       −3        −2        −1        0         1         2
                                           (                )                                                                                                                   (             )
               59)  −2 + 5 m + 2  < m + 36                                                                                                                       60)  7 1 + r  < −33 − r
                         5               6              7              8               9             10                                                                    −7                 −6                 −5                 −4                 −3
                                               (                 )              (                  )                                                                               (                 )                            (                     )
               61)  −2n − 2 3n + 2  ≥ −4 1 + 7n                                                                                                                  62)  −2 1 − 2b  ≥ −8b − 4 −2 − 3b
                        −5        −4        −3       −2        −1         0        1         2        3                                                                  −10 −8 −6 −4 −2                          0      2       4       6      8      10
                                           (                    )                        (                 )                                                                       (              )                     (                 )
               63)  −v − 6 −8v + 8  > −4v −  5 − 8v                                                                                                              64)  −4 x − 6  > 3x −  5x − 6
                       −2           −1           0            1            2            3            4                                                                    4        5       6        7       8        9      10       11       12      13
                                              (                  )              (                 )
               65)  −4x + 4 3 − 5x  ≤ −6 6x − 8
                       −1            0            1            2            3           4            5
               Solve each compound inequality and graph its solution.
               66)  −6 ≤ x + 4 ≤ −3                                                                                                                              67)  7n > 63 and n + 9 > 4
                       −12        −11        −10         −9         −8         −7          −6         −5         −4                                                         6            7           8            9           10          11           12          13
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