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7 TA MIDTERM 1 REVIEW

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  • What is (–15) + (–7)? a. –22 b. –8 c. 8 d. 22
    A
  • Which is a perfect square?
    49
    45
    50
    51
  • What is the HCF of 56 and 98? a. 7 b. 14 c. 28 d. 49
    B
  • What is the LCM of 5, 10, and 15? a. 5 b. 10 c. 15 d. 150
    D
  • Which of the following is a prime number?
    27
    39
    33
    23
  • Which of the following is NOT a prime number?
    67
    61
    71
    65
  • Which of the following is NOT a perfect cube? a. 8 b. 27 c. 36 d. 64
    C
  • What is the √81?
    9
  • Which number is the smallest? a. -1 b. 0 c. 1 d. 2
    A
  • Which number represents a temperature 13 degrees below zero? a. 13 b. -13 c. 0 d. 30
    B
  • Which number is the opposite of –12? a. -12 b. 0 c. 12 d. -1
    C
  • What is the LCM of 12 and 15? a. 45 b. 60 c. 75 d. 180
    B
  • What is the ∛216?
    6
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