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MTH-4101-2 D
                           Equations & Inequalities II

1. Without solving, express the following as a system of two equations, making
   sure to define your variables.

   The difference between two integers is 3. Twice the smaller is equal to five
   less than half the larger.




                                                                                  /5

2. Determine the solution set for the following system of equations:

              1                             2
         x         y                   x         y
         -2        0                   -1         1
          1        -1                  0          0
          4        -2                  1         -1
          7        -3                  2         -2
         10        -4                  3         -3


                                                                                  /4

3. What is the solution of the following system of equations? Write your answer
   as an ordered pair.
                                                      y




                                                                          x




                                                                                  /4
4. Using the method of your choice, determine the solution of the following
   system of equations; write your answer as an ordered pair:

       1) y = 8x – 12
       2) 4y = 22 – 3x




                                                                               /10


5. Solve the following system of equations graphically. Write your solution as an
   ordered pair.
                                                    y
       1) 4y = 3x + 4
       2) y = -4x + 12




                                                                           x




                                                                               /10
6. Using the method of your choice, determine the solution of the following
   system of equations; write your answer as an ordered pair:

         1) y = 7/5x – 9
         2) 4y = 3x + 3




                                                                               /10

7. Using the method of your choice, determine the solution of the following
   system of equations; write your answer as an ordered pair:

         1) y = 3/2x +18
         2) 4/3y = -2x




                                                                               /10

8. Given the adjacent system of inequalities, state whether or not the following
   points belong to the solution set:                          y




     (-1, 3)

     (2, -4)

     (5, 7)                                                                          x


     (6, 2)




/4
9. Solve the following system of inequalities graphically:
                                                        y
       1) y ≀ -1/5x + 2
       2) 3x > 2x – 1




                                                              x




                                                                  /8

10. Solve the following system of inequalities graphically:
                                                        y
       1) y < 3/2x – 2
       2) y β‰₯ -1/4x + 3




                                                              x




                                                                  /8
11. A woman has 64 coins in her purse consisting of pennies and nickels. If the
    total value of the coins is $1.72. How many of each type of coin does she
    have?




                                                                                  /9

12. Matthew is 4 years younger than Debbie. In two years he will be two years
    older than half Debbie’s present age. How old are Matthew and Debbie now?




                                                                                  /9

13. Two adult day passes and one student pass at Mont Tremblant costs $131.89;
    while 3 adult passes and 4 student passes costs $ 277.81. What are the prices
    for each pass?




                                                                                  /9

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Mth 4101-2 d

  • 1. MTH-4101-2 D Equations & Inequalities II 1. Without solving, express the following as a system of two equations, making sure to define your variables. The difference between two integers is 3. Twice the smaller is equal to five less than half the larger. /5 2. Determine the solution set for the following system of equations: 1 2 x y x y -2 0 -1 1 1 -1 0 0 4 -2 1 -1 7 -3 2 -2 10 -4 3 -3 /4 3. What is the solution of the following system of equations? Write your answer as an ordered pair. y x /4
  • 2. 4. Using the method of your choice, determine the solution of the following system of equations; write your answer as an ordered pair: 1) y = 8x – 12 2) 4y = 22 – 3x /10 5. Solve the following system of equations graphically. Write your solution as an ordered pair. y 1) 4y = 3x + 4 2) y = -4x + 12 x /10
  • 3. 6. Using the method of your choice, determine the solution of the following system of equations; write your answer as an ordered pair: 1) y = 7/5x – 9 2) 4y = 3x + 3 /10 7. Using the method of your choice, determine the solution of the following system of equations; write your answer as an ordered pair: 1) y = 3/2x +18 2) 4/3y = -2x /10 8. Given the adjacent system of inequalities, state whether or not the following points belong to the solution set: y (-1, 3) (2, -4) (5, 7) x (6, 2) /4
  • 4. 9. Solve the following system of inequalities graphically: y 1) y ≀ -1/5x + 2 2) 3x > 2x – 1 x /8 10. Solve the following system of inequalities graphically: y 1) y < 3/2x – 2 2) y β‰₯ -1/4x + 3 x /8
  • 5. 11. A woman has 64 coins in her purse consisting of pennies and nickels. If the total value of the coins is $1.72. How many of each type of coin does she have? /9 12. Matthew is 4 years younger than Debbie. In two years he will be two years older than half Debbie’s present age. How old are Matthew and Debbie now? /9 13. Two adult day passes and one student pass at Mont Tremblant costs $131.89; while 3 adult passes and 4 student passes costs $ 277.81. What are the prices for each pass? /9