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Kuta Software - Infinite Algebra 2                        Name___________________________________

Rational Expressions                                                     Date________________ Period____

State the excluded values for each.

      60 x 3                                           70v 2
1)                                               2)
       12 x                                            100v




     m+7                                            n 2 + 6n + 5
3) 2                                             4)
  m + 4m − 21                                           n+1




      35 x − 35                                        −n 2 + 16n − 63
5)                                               6)
      25 x − 40                                         n 2 − 2n − 35




Simplify each and state the excluded values.

        p+4                                               9
7)      2
                                                 8)
      p + 6p + 8                                       15a − 15




      2a 2 + 10a                                        p 2 − 3 p − 10
9)                                               10)
      3a 2 + 15a                                         p2 + p − 2




         x2 + x − 6                                      a 2 + 5a + 4
11)                                              12)
       x 2 + 8 x + 15                                   a 2 + 9a + 20




                                               -1-
x 2 − 2 x − 15                             10 x − 6
13) 2                                   14)
    x − 6x + 5                                10 x − 6




       (v − 7)(v + 8)           1             n + 3 (n − 1)(n + 3)
15)                      ÷              16)        ÷
      (v + 8)(v − 10)        v − 10           n+2      (n − 1) 2




      x + 3 3( x − 6)                               x−8         4 x( x + 10)
17)        ⋅                            18)                   ⋅
        4    3( x + 3)                        ( x + 6)(x − 8)      x + 10




    2b 2 − 12b b − 6                            1    6−n
19)           ÷                         20)        ÷
      b+5       b+5                           n + 9 3n − 18




      28 − 7b   1                                    2         v 2 − 12v + 27
21)           ⋅                         22)                  ⋅
       b − 4 b + 10                           v 2 − 12v + 27          3




       1       9 p − 36                       8 − 7x − x2 x + 5
23)      2
           ÷                            24)              ⋅
      5p     5 p 3 − 35 p 2                      x+8       9x − 9




    x 2 − 16   x 2 + x − 90                  10 x 2 − 20 x 16 x 3 + 80 x 2
25)          ⋅ 2                        26)                 ⋅
     9−x      x + 14 x + 40                 40 x 3 − 80 x 2   6 x + 30




                                      -2-
Kuta Software - Infinite Algebra 2                    Name___________________________________

Adding/Subtracting Rational Expressions                            Date________________ Period____

Simplify each expression.

      u − v 6u − 3v                             m − 3n   m + 3n
1)         +                              2)       3
                                                       −
       8v     8v                                6m n     6m 3 n




          5         5a + 1                           5             n−6
3)     2
                + 2                       4)          2
                                                             +   2
      a + 3a + 2 a + 3a + 2                     10n + 16n + 6 10n + 16n + 6




       r+6    r+1                                    x+2               x+3
5)          +                             6)      2
                                                                −    2
      3r − 6 3r − 6                             2 x + 13 x + 20   2 x + 13 x + 20




       6    5x                                              x+5
7)        −                               8) 6 −
      x−1   4                                         (7 x − 5)( x + 4)



       3     4                                        3      7
9)        +                               10)              −
      x+7   x−8                                  4v 2 + 4v   2




       7       8                                   5     4n
11)      −                                12)         +
       3   12 x − 8                              n + 5 2n + 6




         2x     6x                                   2        8
13)          +                            14)         2
                                                            +
       5x + 4 2x + 3                             3 x + 12 x   2x




                                      -1-
9                a2
7)                8)
     9   2             4   4
       +                 −
     x 3x              5   a




   x2    1            a     4
       +                − 2
   9     4            8    a
9)                10)
      6x                 4




    25 x + 1           16      4
       +                    −
    12    4           m−3     m−4
11)               12)
    1    x+1           16    m−4
       −                 2
                           −
    18    36           m     m−3




    x−6     x−2       1     x+5
          −              −
     6      x−6       2       4
13)               14)     2
       36     4         x      5
            +               −
     x−2 9               2     2
9                                   a2
7)                                   8)
     9   2                                4   4
       +                                    −
     x 3x                                 5   a
      27 x                                   5a 3
       29                                  4a − 20




   x2    1                               a     4
       +                                   − 2
   9     4                               8    a
9)                                   10)
      6x                                    4
      4x2 + 9                              a 3 − 32
       216 x                                 32a 2




    25 x + 1                              16      4
       +                                       −
    12    4                              m−3     m−4
11)                                  12)
    1    x+1                              16    m−4
       −                                    2
                                              −
    18    36                              m     m−3
      84 + 9 x                                  12m 3 − 52m 2
       1−x                                 192 − 112m − m 4 + 8m 3




    x−6     x−2                          1     x+5
          −                                 −
     6      x−6                          2       4
13)                                  14)     2
       36     4                            x      5
            +                                  −
     x−2 9                                  2     2
      3 x 3 − 60 x 2 + 252 x − 288          −3 − x
           584 x + 8 x 2 − 3792            2 x 2 − 10
Kuta Software - Infinite Algebra 2                        Name___________________________________

Rational Expressions                                                     Date________________ Period____

State the excluded values for each.

      60 x 3                                           70v 2
1)                                               2)
       12 x                                            100v
        {0 }                                            {0 }



     m+7                                            n 2 + 6n + 5
3) 2                                             4)
  m + 4m − 21                                           n+1
        {−7, 3}                                         {−1}



      35 x − 35                                        −n 2 + 16n − 63
5)                                               6)
      25 x − 40                                         n 2 − 2n − 35
                                                        {−5, 7}
        {}  8
            5


Simplify each and state the excluded values.

        p+4                                               9
7)      2
                                                 8)
      p + 6p + 8                                       15a − 15
         1                                                 3
            ; {−2, −4}                                           ; {1 }
        p+2                                             5(a − 1)


      2a 2 + 10a                                        p 2 − 3 p − 10
9)                                               10)
      3a 2 + 15a                                         p2 + p − 2
        2                                                p−5
          ; {0, −5}                                          ; {−2, 1}
        3                                                p−1


         x2 + x − 6                                      a 2 + 5a + 4
11)                                              12)
       x 2 + 8 x + 15                                   a 2 + 9a + 20
        x−2                                             a+1
            ; {−3, −5}                                      ; {−4, −5}
        x+5                                             a+5




                                               -1-
x 2 − 2 x − 15                             10 x − 6
13) 2                                   14)
    x − 6x + 5                                10 x − 6
      x+3
      x−1
          ; {1, 5}                            1;    {}
                                                     3
                                                     5


       (v − 7)(v + 8)           1             n + 3 (n − 1)(n + 3)
15)                      ÷              16)        ÷
      (v + 8)(v − 10)        v − 10           n+2      (n − 1) 2
      v − 7; {−8, 10}                         n−1
                                                  ; {−2, 1, −3}
                                              n+2


      x + 3 3( x − 6)                               x−8         4 x( x + 10)
17)        ⋅                            18)                   ⋅
        4    3( x + 3)                        ( x + 6)(x − 8)      x + 10
      x−6                                      4x
          ; {−3}                                  ; {−6, 8, −10}
       4                                      x+6


    2b 2 − 12b b − 6                            1    6−n
19)           ÷                         20)        ÷
      b+5       b+5                           n + 9 3n − 18
      2b; {−5, 6}                                  3
                                              −       ; {−9, 6}
                                                  n+9


      28 − 7b   1                                    2         v 2 − 12v + 27
21)           ⋅                         22)                  ⋅
       b − 4 b + 10                           v 2 − 12v + 27          3
             7                                2
      −          ; {4, −10}                     ; {3, 9}
          b + 10                              3


       1       9 p − 36                       8 − 7x − x2 x + 5
23)      2
           ÷                            24)              ⋅
      5p     5 p 3 − 35 p 2                      x+8       9x − 9
        p−7                                       ( x + 5)
                ; {0, 7, 4}                   −              ; {−8, 1}
      9( p − 4)                                      9


    x 2 − 16   x 2 + x − 90                  10 x 2 − 20 x 16 x 3 + 80 x 2
25)          ⋅ 2                        26)                 ⋅
     9−x      x + 14 x + 40                 40 x 3 − 80 x 2   6 x + 30
      −( x − 4); {9, −4, −10}                 2x
                                                 ; {0, 2, −5}
                                              3



                                      -2-
Kuta Software - Infinite Algebra 2                    Name___________________________________

Adding/Subtracting Rational Expressions                            Date________________ Period____

Simplify each expression.

      u − v 6u − 3v                             m − 3n   m + 3n
1)         +                              2)       3
                                                       −
       8v     8v                                6m n     6m 3 n
       7u − 4v                                        1
                                                 −
         8v                                           m3

          5         5a + 1                           5             n−6
3)     2
                + 2                       4)          2
                                                             +   2
      a + 3a + 2 a + 3a + 2                     10n + 16n + 6 10n + 16n + 6
          6 + 5a                                      −1 + n
       a 2 + 3a + 2                              10n 2 + 16n + 6

       r+6    r+1                                    x+2               x+3
5)          +                             6)      2
                                                                −    2
      3r − 6 3r − 6                             2 x + 13 x + 20   2 x + 13 x + 20
       2r + 7                                                  1
                                                 −
       3r − 6                                         2 x 2 + 13 x + 20

       6    5x                                              x+5
7)        −                               8) 6 −
      x−1   4                                         (7 x − 5)( x + 4)
       24 − 5 x 2 + 5 x                          42 x 2 + 137 x − 125
          4( x − 1)                                (7 x − 5)( x + 4)
       3     4                                        3      7
9)        +                               10)              −
      x+7   x−8                                  4v 2 + 4v   2
            7x + 4                               3 − 14v 2 − 14v
       ( x + 7)( x − 8)                             4v(v + 1)

       7       8                                   5     4n
11)      −                                12)         +
       3   12 x − 8                              n + 5 2n + 6
       21 x − 20                                 15n + 15 + 2n 2
       3(3 x − 2)                                 (n + 3)(n + 5)
         2x     6x                                   2        8
13)          +                            14)         2
                                                            +
       5x + 4 2x + 3                             3 x + 12 x   2x
          34 x 2 + 30 x                          50 + 12 x
       (5 x + 4)(2 x + 3)                        3 x( x + 4)




                                      -1-

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RationalExpressionsReview.pdf

  • 1. Kuta Software - Infinite Algebra 2 Name___________________________________ Rational Expressions Date________________ Period____ State the excluded values for each. 60 x 3 70v 2 1) 2) 12 x 100v m+7 n 2 + 6n + 5 3) 2 4) m + 4m − 21 n+1 35 x − 35 −n 2 + 16n − 63 5) 6) 25 x − 40 n 2 − 2n − 35 Simplify each and state the excluded values. p+4 9 7) 2 8) p + 6p + 8 15a − 15 2a 2 + 10a p 2 − 3 p − 10 9) 10) 3a 2 + 15a p2 + p − 2 x2 + x − 6 a 2 + 5a + 4 11) 12) x 2 + 8 x + 15 a 2 + 9a + 20 -1-
  • 2. x 2 − 2 x − 15 10 x − 6 13) 2 14) x − 6x + 5 10 x − 6 (v − 7)(v + 8) 1 n + 3 (n − 1)(n + 3) 15) ÷ 16) ÷ (v + 8)(v − 10) v − 10 n+2 (n − 1) 2 x + 3 3( x − 6) x−8 4 x( x + 10) 17) ⋅ 18) ⋅ 4 3( x + 3) ( x + 6)(x − 8) x + 10 2b 2 − 12b b − 6 1 6−n 19) ÷ 20) ÷ b+5 b+5 n + 9 3n − 18 28 − 7b 1 2 v 2 − 12v + 27 21) ⋅ 22) ⋅ b − 4 b + 10 v 2 − 12v + 27 3 1 9 p − 36 8 − 7x − x2 x + 5 23) 2 ÷ 24) ⋅ 5p 5 p 3 − 35 p 2 x+8 9x − 9 x 2 − 16 x 2 + x − 90 10 x 2 − 20 x 16 x 3 + 80 x 2 25) ⋅ 2 26) ⋅ 9−x x + 14 x + 40 40 x 3 − 80 x 2 6 x + 30 -2-
  • 3. Kuta Software - Infinite Algebra 2 Name___________________________________ Adding/Subtracting Rational Expressions Date________________ Period____ Simplify each expression. u − v 6u − 3v m − 3n m + 3n 1) + 2) 3 − 8v 8v 6m n 6m 3 n 5 5a + 1 5 n−6 3) 2 + 2 4) 2 + 2 a + 3a + 2 a + 3a + 2 10n + 16n + 6 10n + 16n + 6 r+6 r+1 x+2 x+3 5) + 6) 2 − 2 3r − 6 3r − 6 2 x + 13 x + 20 2 x + 13 x + 20 6 5x x+5 7) − 8) 6 − x−1 4 (7 x − 5)( x + 4) 3 4 3 7 9) + 10) − x+7 x−8 4v 2 + 4v 2 7 8 5 4n 11) − 12) + 3 12 x − 8 n + 5 2n + 6 2x 6x 2 8 13) + 14) 2 + 5x + 4 2x + 3 3 x + 12 x 2x -1-
  • 4. 9 a2 7) 8) 9 2 4 4 + − x 3x 5 a x2 1 a 4 + − 2 9 4 8 a 9) 10) 6x 4 25 x + 1 16 4 + − 12 4 m−3 m−4 11) 12) 1 x+1 16 m−4 − 2 − 18 36 m m−3 x−6 x−2 1 x+5 − − 6 x−6 2 4 13) 14) 2 36 4 x 5 + − x−2 9 2 2
  • 5. 9 a2 7) 8) 9 2 4 4 + − x 3x 5 a 27 x 5a 3 29 4a − 20 x2 1 a 4 + − 2 9 4 8 a 9) 10) 6x 4 4x2 + 9 a 3 − 32 216 x 32a 2 25 x + 1 16 4 + − 12 4 m−3 m−4 11) 12) 1 x+1 16 m−4 − 2 − 18 36 m m−3 84 + 9 x 12m 3 − 52m 2 1−x 192 − 112m − m 4 + 8m 3 x−6 x−2 1 x+5 − − 6 x−6 2 4 13) 14) 2 36 4 x 5 + − x−2 9 2 2 3 x 3 − 60 x 2 + 252 x − 288 −3 − x 584 x + 8 x 2 − 3792 2 x 2 − 10
  • 6. Kuta Software - Infinite Algebra 2 Name___________________________________ Rational Expressions Date________________ Period____ State the excluded values for each. 60 x 3 70v 2 1) 2) 12 x 100v {0 } {0 } m+7 n 2 + 6n + 5 3) 2 4) m + 4m − 21 n+1 {−7, 3} {−1} 35 x − 35 −n 2 + 16n − 63 5) 6) 25 x − 40 n 2 − 2n − 35 {−5, 7} {} 8 5 Simplify each and state the excluded values. p+4 9 7) 2 8) p + 6p + 8 15a − 15 1 3 ; {−2, −4} ; {1 } p+2 5(a − 1) 2a 2 + 10a p 2 − 3 p − 10 9) 10) 3a 2 + 15a p2 + p − 2 2 p−5 ; {0, −5} ; {−2, 1} 3 p−1 x2 + x − 6 a 2 + 5a + 4 11) 12) x 2 + 8 x + 15 a 2 + 9a + 20 x−2 a+1 ; {−3, −5} ; {−4, −5} x+5 a+5 -1-
  • 7. x 2 − 2 x − 15 10 x − 6 13) 2 14) x − 6x + 5 10 x − 6 x+3 x−1 ; {1, 5} 1; {} 3 5 (v − 7)(v + 8) 1 n + 3 (n − 1)(n + 3) 15) ÷ 16) ÷ (v + 8)(v − 10) v − 10 n+2 (n − 1) 2 v − 7; {−8, 10} n−1 ; {−2, 1, −3} n+2 x + 3 3( x − 6) x−8 4 x( x + 10) 17) ⋅ 18) ⋅ 4 3( x + 3) ( x + 6)(x − 8) x + 10 x−6 4x ; {−3} ; {−6, 8, −10} 4 x+6 2b 2 − 12b b − 6 1 6−n 19) ÷ 20) ÷ b+5 b+5 n + 9 3n − 18 2b; {−5, 6} 3 − ; {−9, 6} n+9 28 − 7b 1 2 v 2 − 12v + 27 21) ⋅ 22) ⋅ b − 4 b + 10 v 2 − 12v + 27 3 7 2 − ; {4, −10} ; {3, 9} b + 10 3 1 9 p − 36 8 − 7x − x2 x + 5 23) 2 ÷ 24) ⋅ 5p 5 p 3 − 35 p 2 x+8 9x − 9 p−7 ( x + 5) ; {0, 7, 4} − ; {−8, 1} 9( p − 4) 9 x 2 − 16 x 2 + x − 90 10 x 2 − 20 x 16 x 3 + 80 x 2 25) ⋅ 2 26) ⋅ 9−x x + 14 x + 40 40 x 3 − 80 x 2 6 x + 30 −( x − 4); {9, −4, −10} 2x ; {0, 2, −5} 3 -2-
  • 8. Kuta Software - Infinite Algebra 2 Name___________________________________ Adding/Subtracting Rational Expressions Date________________ Period____ Simplify each expression. u − v 6u − 3v m − 3n m + 3n 1) + 2) 3 − 8v 8v 6m n 6m 3 n 7u − 4v 1 − 8v m3 5 5a + 1 5 n−6 3) 2 + 2 4) 2 + 2 a + 3a + 2 a + 3a + 2 10n + 16n + 6 10n + 16n + 6 6 + 5a −1 + n a 2 + 3a + 2 10n 2 + 16n + 6 r+6 r+1 x+2 x+3 5) + 6) 2 − 2 3r − 6 3r − 6 2 x + 13 x + 20 2 x + 13 x + 20 2r + 7 1 − 3r − 6 2 x 2 + 13 x + 20 6 5x x+5 7) − 8) 6 − x−1 4 (7 x − 5)( x + 4) 24 − 5 x 2 + 5 x 42 x 2 + 137 x − 125 4( x − 1) (7 x − 5)( x + 4) 3 4 3 7 9) + 10) − x+7 x−8 4v 2 + 4v 2 7x + 4 3 − 14v 2 − 14v ( x + 7)( x − 8) 4v(v + 1) 7 8 5 4n 11) − 12) + 3 12 x − 8 n + 5 2n + 6 21 x − 20 15n + 15 + 2n 2 3(3 x − 2) (n + 3)(n + 5) 2x 6x 2 8 13) + 14) 2 + 5x + 4 2x + 3 3 x + 12 x 2x 34 x 2 + 30 x 50 + 12 x (5 x + 4)(2 x + 3) 3 x( x + 4) -1-