Math 112 Final Review 1

19 Questions | Total Attempts: 116

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Math 112 final review


Questions and Answers
  • 1. 
    Perform the Operation:3 + 2 [18 – (5+3)]
    • A. 

      48

    • B. 

      23

    • C. 

      -32

    • D. 

      24

    • E. 

      None of these

  • 2. 
    Solve: 4x + 2 = 3x + 8
    • A. 

      1

    • B. 

      5

    • C. 

      6

    • D. 

      -2

  • 3. 
    Solve: - 4(x – 2) = - 12
    • A. 

      5

    • B. 

      3

    • C. 

      -3

    • D. 

      7

  • 4. 
    The order pair (2, 3 ) satisfies which of the following equation
    • A. 

      Y = 2x - 5

    • B. 

      X = y + 2

    • C. 

      X = 2y - 4

    • D. 

      Y = 2x

  • 5. 
    The  x , y-intercepts for the linear equation      y - 6x = 6      are
    • A. 

      ( 3, 0),( 0, 5)

    • B. 

      (0, 4), (-3, 0)

    • C. 

      (-1, 0),(0, 6)

    • D. 

      (9, 3),(0, 12)

  • 6. 
    If  5 is added to 3 times a number, the result is 17.  Find the number.
    • A. 

      2

    • B. 

      13

    • C. 

      9

    • D. 

      4

  • 7. 
    Simplify by combining like terms:   4(x – 6 ) – 8x  
    • A. 

      X - 16

    • B. 

      -4x - 24

    • C. 

      X-4

    • D. 

      7x+5

  • 8. 
    Ben is making wooden toys for the next arts and crafts sale.  Each toy costs Ben $1.80 to make.  If he sells the toys for $3.00 each, how many will he have to sell to make a profit of exactly $36.00?
    • A. 

      12

    • B. 

      20

    • C. 

      30

    • D. 

      60

  • 9. 
    Phillip charged $400 worth of goods on his credit card.  On his first bill, he was not charged any interest, and he made a payment of $20.  He then charged another $18 worth of goods.  On his second bill a month later, he was charged 2% interest on his entire unpaid balance.  How much interest was Phillip charged on his second bill?
    • A. 

      $8.76

    • B. 

      $7.96

    • C. 

      $7.60

    • D. 

      $7.24

  • 10. 
    A student has earned scores of 87, 81, and 88 on the first 3 of 4 tests.  If the student wants an average (arithmetic mean) of exactly 87, what score must she earn on the fourth test?
    • A. 

      85

    • B. 

      86

    • C. 

      87

    • D. 

      92

  • 11. 
    Which of the following expressions represents the product of 3 less than twice x and 2 more than the quantity 3 times x?
    • A. 

      -6x 2 + 25x + 6

    • B. 

      6x 2 + 5x + 6

    • C. 

      6x 2 - 5x + 6

    • D. 

      6x 2 - 5x - 6

  • 12. 
    If x = -1 and y = 2, what is the value of the expression 2x 3 - 3xy ?
    • A. 

      8

    • B. 

      4

    • C. 

      -1

    • D. 

      -4

  • 13. 
    What is the average (arithmetic mean) of 8, 7, 7, 5, 3, 2, and 2?
    • A. 

      3 4/7

    • B. 

      4 5/6

    • C. 

      4 6/7

    • D. 

      5

  • 14. 
    The sales price of a car is $12,590, which is 20% off the original price. What is the original price?  
    • A. 

      $14,310.40

    • B. 

      $14,990.90

    • C. 

      $15,290.70

    • D. 

      $15,737.50

    • E. 

      $16,935.80

  • 15. 
     If y = 3, then y3(y3-y)=
    • A. 

      300

    • B. 

      459

    • C. 

      648

    • D. 

      999

    • E. 

      1099

  • 16. 
    You need to purchase a textbook for nursing school. The book cost $80.00, and the sales tax where you are purchasing the book is 8.25%. You have $100. How much change will you receive back?
    • A. 

      $5.20

    • B. 

      $7.35

    • C. 

      $13.40

    • D. 

      $19.95

    • E. 

      $21.25

  • 17. 
    Lee worked 22 hours this week and made $132. If she works 15 hours next week at the same pay rate, how much will she make?
    • A. 

      $57

    • B. 

      $90

    • C. 

      $104

    • D. 

      $112

    • E. 

      $122

  • 18. 
    Simon arrived at work at 8:15 A.M. and left work at 10: 30 P.M. If Simon gets paid by the hour at a rate of $10 and time and ½ for any hours worked over 8 in a day. How much did Simon get paid?
    • A. 

      $120.25

    • B. 

      $160.75

    • C. 

      $173.75

    • D. 

      $180

    • E. 

      $182.50

  • 19. 
    If Leah is 6 years older than Sue, and John is 5 years older than Leah, and the total of their ages is 41. Then how old is Sue?
    • A. 

      8

    • B. 

      10

    • C. 

      14

    • D. 

      19

    • E. 

      21

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