1.   The ordered pair (1, 4) is in which quadrant?
    A. III B. IV
    C. I D. II
    Hint

  2.   The diameter of a volcanic particle averaged 0.000022 meter. What is this measure written in scientific notation?
    A. 0.22 × 10-4
    B. 2.2 × 105
    C. 2.2 × 10-5
    D. 2.2 × 10
    Hint

  3.   Does the number triple 5, 6, and 8 represent the lengths of sides of a right triangle? Explain.
    A. Yes, because 52 + 62 = 82.
    B. No, because 8 + 6 < 5.
    C. Yes, because 5 + 6 > 8.
    D. No, because 52 + 62 82.
    Hint

  4.   Find –2 × 5.
    A. –10 B. 10
    C. –7 D. 3
    Hint

  5.   Find an addition and subtraction equation that represents the number lines below.
   
    A. –6 + 7 = 1
–6 – –7 = 1
B. –6 + –1 = –7
–6 – 1 = –7
    C. –6 + 1 = 5
–6 – –1 = 5
D. 1 + –6 = –5
1 – 6 = –5
    Hint

  6.   Find the sum. Then find a subtraction equation that is equivalent to the addition equation.

–8 + –3

    A. –8 + –3 = 11
–8 – 3 = 11
    B. –8 + –3 = –11
–8 – 3 = –11
    C. –8 + –3 = –5
–8 – 3 = –5
    D. –8 + –3 = –11
–8 – 3 = 11
    Hint

  7.   Evaluate –52.
    A. 25 B. –10
    C. –25 D. 10
    Hint

  8.   The graph of the Celsius-Kelvin temperature conversion formula, K = C + 273, is shown below. For which temperatures are the Kelvin temperatures positive and the Celsius temperatures negative?
   
    A. temperatures greater than 273 K
    B. temperatures between 0°C and 100°C
    C. temperatures greater than –100°C
    D. temperatures between 0 K and 273 K
    Hint

  9.   Find the distance between (–3, 4) and (–1, –5).
    A. 3.32 units
    B. 8.66 units
    C. 9.22 units
    D. 2.24 units
    Hint

  10.   Evaluate the expression.–2-4
    A. B.
    C. D. –16
    Hint



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