Algebra 1a--week 5

20 Questions | Total Attempts: 37

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Algebra 1a--week 5

This is the weekly exam for your course. Please take your time and do your best. Good luck!


Questions and Answers
  • 1. 
    x = ? 
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 2. 
    x = ? 
    • A. 

      20

    • B. 

      22

    • C. 

      24

    • D. 

      21

  • 3. 
    x = ? 
    • A. 

      40

    • B. 

      46

    • C. 

      52

    • D. 

      54

  • 4. 
    • A. 

      6/12

    • B. 

      1/2

    • C. 

      8/9

    • D. 

      9/8

  • 5. 
    Xy2 : x2y = ? 
    • A. 

      X/y

    • B. 

      2x / y

    • C. 

      2y / x

    • D. 

      Y/x

  • 6. 
    (2x + 3) : 10 = (3x -2) : 8  x = ? Reduce completely.
    • A. 

      4/5

    • B. 

      2/3

    • C. 

      -22/65

    • D. 

      20/51

  • 7. 
    Use the formula I = prt to solve the following problem: I = Interest p = principal r = rate t = time Find the simple interest for a loan of $2,000 with an interest rate of 11.5% for a period of 2 years.  (When you enter the interest rate into the formula, enter it as a decimal, not a percent.) 
    • A. 

      $200

    • B. 

      $230

    • C. 

      $350

    • D. 

      $460

  • 8. 
    Use the formula I = prt to solve the following problem: I = Interest p = principal r = rate t = time How long will it take to earn $135 on $1,500 with a simple interest rate of 3%?
    • A. 

      2 years

    • B. 

      3 years

    • C. 

      4 years

    • D. 

      5 years

  • 9. 
    Use the formula I = prt to solve the following problem: I = Interest p = principal r = rate t = time Johnny invests $1,000, for three years, and receives $1,600 at the end of that time.  What simple interest rate did he earn?
    • A. 

      10%

    • B. 

      20%

    • C. 

      30%

    • D. 

      40%

  • 10. 
    Use the formula I = prt to solve the following problem: I = Interest p = principal r = rate t = time Bill invests a certain amount of money at the beginning of 2007.  He earns $75, at a 5% interest rate, over a period of three years, .  How much did he invest?
    • A. 

      $1,000

    • B. 

      $1,200

    • C. 

      $1,500

    • D. 

      Not enough information

  • 11. 
    3 (6x + 2) = 12 x = ? 
    • A. 

      1

    • B. 

      1/2

    • C. 

      1/3

    • D. 

      1/4

  • 12. 
      x = ?
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

  • 13. 
    25x2 – 5x + 4 / 2 = 25x2 + 6x
    • A. 

      2

    • B. 

      5

    • C. 

      6

    • D. 

      7

  • 14. 
    x = ? 
    • A. 

      8

    • B. 

      4

    • C. 

      2

    • D. 

      1

  • 15. 
    • A. 

      10

    • B. 

      5

    • C. 

      3

    • D. 

      2

  • 16. 
    x = ? 
    • A. 

      1,420.9

    • B. 

      1420

    • C. 

      10

    • D. 

      9/10

  • 17. 
    x = ? 
    • A. 

      3

    • B. 

      2

    • C. 

      1

    • D. 

      1/3

  • 18. 
    Solve for x:
    • A. 

      100

    • B. 

      1/3

    • C. 

      1

    • D. 

      -20

  • 19. 
    Abs (-6) - 6 = 12 
    • A. 

      True

    • B. 

      False

  • 20. 
    An ant carried three pieces of bread to the other side of the room in 1 minute.  How long would it take the ant to carry twelve pieces of bread the same distance? 
    • A. 

      2 minutes

    • B. 

      3 minutes

    • C. 

      4 minutes

    • D. 

      5 minutes