1.   What is a reasonable total income for the four years listed?
   
    A. $22,000 B. $19,000
    C. $21,000 D. $20,000
    Hint

  2.   An example of the Commutative Property of Addition is ______________.
    A. 2 · 4 = 4 · 2
    B. 2(4 · 6) = (2 · 4)6
    C. 2 + 4 = 4 + 2
    D. 2 + (4 + 6) = (2 + 4) + 6
    Hint

  3.   Which of the numbers 46, 56, 152, or 162 is a solution of 58 + n = 104?
    A. 46 B. 162
    C. 152 D. 56
    Hint

  4.   Identify the solution to 34 - 2z = 20.
    A. 6 B. 5
    C. 8 D. 7
    Hint

  5.   The origin O is represented by which ordered pair?
   
    A. (1, 0) B. (0, 0)
    C. (1, 1) D. (0, 1)
    Hint

  6.   Write ''16 less than a number is 28'' as an equation.
    A. 16n = 28 B. 28
    C. n + 16 = 28 D. n - 16 = 28
    Hint

  7.   Evaluate the expression 2|x| - 3|y| if x = -8 and y = -5.
    A. 1 B. -31
    C. -1 D. 31
    Hint

  8.   Solve d = (-3)(-12).
    A. -36 B. -4
    C. 4 D. 36
    Hint

  9.   Solve the equation k = (-45) ÷ 3.
    A. 41 B. 15
    C. -15 D. -41
    Hint

  10.   Find the solution for 12r = -132.
    A. -120 B. -144
    C. -12 D. -11
    Hint

  11.   Solve the formula A = (b1 + b2)h for b1 if A = 14, b2 = 5, and h = 4.
    A. 2 B. 4
    C. 5 D. 3
    Hint

  12.   Find the value of x in the equation .
    A. -10 B. 14
    C. -30 D. 6
    Hint

  13.   Three more than the product of 6 and a number is 51. Write an equation and find the number.
    A. 3n(6) = 51;
    B. 6n + 3 = 51; 8
    C. 3 + 6n = 51; 15
    D. 6 + n + 3 = 51; 42
    Hint

  14.   A scatter plot is a graph that shows __________
    A. statistical values.
    B. how small parts of data relate to the whole set of data.
    C. the general relationship between two sets of data.
    D. the total number of outcomes of an event.
    Hint

  15.   What conclusion can you make from the scatter plot?
   
    A. higher mileage results in greater power B. there is no correlation between power and mileage
    C. lower mileage gives the greatest power D. higher power results in low mileage
    Hint

  16.   Cheng-Yu has been recording data based on her age and height, which can be seen in the scatter plot shown. Predict Cheng-Yu's height when she is 14 years old.
   
    A. 58 inches B. 53 inches
    C. 50 inches D. 60 inches
    Hint

  17.   Simplify –5x(4y).
    A. -9xy B. -20xy
    C. 20xy D. -xy
    Hint

  18.   Evaluate xy ÷ 2 if x = -10 and y = -8.
    A. 9 B. 40
    C. -9 D. -40
    Hint

  19.   Simplify (v + 6)3.
    A. v + 18 B. 3v + 18
    C. 3v + 6 D. 3v + 63
    Hint

  20.   Simplify 7a + 3a.
    A. 10aa B. 4a
    C. 10a D. 21a
    Hint



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