P1 Math 8. Chapter 1 Quiz. Sept 10 2015

10 Questions | Total Attempts: 69

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Math Quizzes & Trivia

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Questions and Answers
  • 1. 
    "Isolating the variable" in an equation means to cancel it out of the equation - to eliminate it from the equation.  
    • A. 

      True

    • B. 

      False

  • 2. 
    Solve for c.  5 - c = 10 - 2
    • A. 

      -5

    • B. 

      -3

    • C. 

      -8

    • D. 

      -2

  • 3. 
    2d - 15  = 3The next step in solving this equation,  could be: 
    • A. 

      2d = -18

    • B. 

      2d = 18

    • C. 

      15 = 2d +3

    • D. 

      2d = -12

  • 4. 
    Solve the equation.  -3(n +6) +10 = -8n=?
    • A. 

      0

    • B. 

      1

    • C. 

      2

    • D. 

      3

  • 5. 
    The sum of three angles of any triangle is 180 degrees. If the the angles degrees are:1.  742.  (2x+7)3.   xWhat is the value of x? 
    • A. 

      99/3 (99 divided by 3)

    • B. 

      9.9

    • C. 

      180 - 81

    • D. 

      60

  • 6. 
    Solve the equation. Find the value of x for:  2(4x-16) - 5x = -5
    • A. 

      30/3 (30 divided by 3)

    • B. 

      35

    • C. 

      27/3 (27 divided by 3)

    • D. 

      16/4 (16 divided by 4)

  • 7. 
    The equation R = 10A - 20 represents the revenue R (in dollars) you make by spending A (that's the variable A in the equation) dollars on advertising.  If your revenue totaled $110, how much did you spend on advertising? 
    • A. 

      110

    • B. 

      -11

    • C. 

      10 times 13

    • D. 

      13

  • 8. 
    Solve the equation. -14 = x - 12x = ?
    • A. 

      26

    • B. 

      -26

    • C. 

      2

    • D. 

      -2

  • 9. 
    After combining "like terms", the equation 5a - 6 - 2a = 12 is equal to: 
    • A. 

      7a - 6 = 12

    • B. 

      -6 - 2a = 12 - 5a

    • C. 

      3a - 6 = 12

    • D. 

      5a - 4 = 12

  • 10. 
    Simplify the expression. (9 - m)  + 4m + 7hint: combine like terms...
    • A. 

      9 + 5m + 7

    • B. 

      2 - 5m

    • C. 

      16 - 3m

    • D. 

      16 + 3m