Choose the answer that best applies

1. 8 + x = 5x – 16
   

   1.   ?    x=4
   2.   ?    x=6
   3.   ?    x=2
   4.   ?    x=1

2. - 1/3(x + 1) = 5x – 6
   

   1.   ?    x=25/24
   2.   ?    x=12/11
   3.   ?    x=17/16
   4.   ?    x=15/14

3. Which is the reciprocal of 2/7 ?
   

   1.   ?    27
   2.   ?    7/2
   3.   ?    72
   4.   ?    2/7

4. -3n2 + 4n3 when n = -2
   

   1.   ?    24
   2.   ?    44
   3.   ?    -24
   4.   ?    -44

5. Which is 0.00000005 in scientific notation ?
   

   1.   ?    5 x 10^8
   2.   ?    5 x 10^ -8
   3.   ?    5 x 10^6
   4.   ?    5 x 10^7

6. Which is the quotient of 2/3 and - 1/2 ?
   

   1.   ?    4/3
   2.   ?    -4/3
   3.   ?    3/4
   4.   ?    -3/4

7. 3n + 2 = n - 6
   

   1.   ?    n=-4
   2.   ?    n=4
   3.   ?    n=2
   4.   ?    n=6

8. Which is the opposite of -1/2 ?
   

   1.   ?    1/2
   2.   ?    1
   3.   ?    1/4
   4.   ?    2/1

9. Which is the reciprocal of -1/2 ?
   

   1.   ?    -1/2
   2.   ?    2/1
   3.   ?    1/2
   4.   ?    -2

10. Fred and Barney share the driving on a 300 mile trip to Jellystone Park. Fred drives for three hours at an average speed of 46 miles per hour. How fast must Barney drive for the remainder of the trip if they want to reach Jellystone in two more hours?
    

    1.   ?    52 mph
    2.   ?    81 mph
    3.   ?    85 mph
    4.   ?    none of the above