Algebra 1a--unit 3

20 Questions

Settings
Please wait...
Algebra 1a--unit 3

Questions and Answers
  • 1. 
    3x + 3 = 18 x = ?
    • A. 

      3

    • B. 

      4

    • C. 

      5

    • D. 

      6

  • 2. 
    • A. 

      0

    • B. 

      1

    • C. 

      2

    • D. 

      3

  • 3. 
    • A. 

      0

    • B. 

      1

    • C. 

      2

    • D. 

      3

  • 4. 
    (1,000,000)1/2 – 999 = x3 x= ?
    • A. 

      0

    • B. 

      1

    • C. 

      2

    • D. 

      4

  • 5. 
    8x / 4x = x1/2 x = ?
    • A. 

      0

    • B. 

      1

    • C. 

      2

    • D. 

      4

  • 6. 
    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 $1,000 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.)
  • 7. 
    Suppose that the monthly expenses of a factory are given by: E = pm + R.  Use this formula to solve the following problem: E = monthly expenses p = number of items made each month m = cost of the raw materials to make one item R = Monthly Rent Suppose the rent on a factory is $300 per month and it makes 50 items each month.  If the raw materials to produce one item cost $10, what are the total monthly expenses?
  • 8. 
    Use the formula V = lwh to solve the following problem: V = volume of a rectangular solid l = length w = width h = height How long would a box need to be if V = 270 cm3, w = 27 cm, and h = 10 cm? 
    • A. 

      1 cm

    • B. 

      5 cm

    • C. 

      10 cm

    • D. 

      25 cm

  • 9. 
    Solve for y, in the following system of equations: 2x – y = 4 x + 2y = -3
  • 10. 
    Solve for x, in the following system of equations: 2x – y = 4 x + 2y = -3
  • 11. 
    Solve for y, in the following system of equations: 2y – x = 1 2x + y = 8
  • 12. 
    Solve for x, in the following system of equations: 2y – x = 1 2x + y = 8
  • 13. 
    [(-1/4) x] + 6 = 2 x = ?
  • 14. 
    9 = [(½ ) x] + 3 x = ?
  • 15. 
    3x + 39 = 60 x = ?
  • 16. 
    60 – 12x = 18x x = ?
  • 17. 
    A dragon ran 3 miles in 8 seconds.  How many miles could the dragon run in 24 seconds?
    • A. 

      4 miles

    • B. 

      8 miles

    • C. 

      9 miles

    • D. 

      10 miles

  • 18. 
    A car travels 51 miles in 3 hours.  How far would it travel in 5 hours?
    • A. 

      20 miles

    • B. 

      40 miles

    • C. 

      60 miles

    • D. 

      85 miles

  • 19. 
    Choose the inequality equations, below, that describe the following statement: There were still more than twenty scarecrows in the field, after half were scared away.
    • A. 

      X/2 > 20

    • B. 

      X > 40

    • C. 

      X - 10 = 30

  • 20. 
    Choose the inequality equation, below, that describes the following statement: The number of dogs in the pound was less than 10.
    • A. 

      X > 10

    • B. 

      X < = 10

    • C. 

      X < 10

    • D. 

      X = 10