Imaginary Numbers
10th - 12th grade
433 times
Mathematics
53%average accuracy
a year ago
tommsmit
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16 QuestionsShow answers
  • Question 1
    300 seconds
    Q.
    answer choices

    7

    -7

    7i

    -7i

  • Question 2
    300 seconds
    Q.
    answer choices

    7

    -7

    7i

    -7i

  • Question 3
    300 seconds
    Q.
    answer choices

    2i√6

    8i√3

    -2√6

    -2i√6

  • Question 4
    300 seconds
    Q.
    answer choices

    6i√5

    -8√5

    8i√5

    -8i√5

  • Question 5
    300 seconds
    Q.
    answer choices

    -24i√7

    24i√7

    -24√7

    24√7

  • Question 6
    300 seconds
    Q.
    answer choices

    i

    -1

    1

    -i

  • Question 7
    300 seconds
    Q.
    answer choices

    √2

    i√2

    i2√2

    -√2

  • Question 8
    300 seconds
    Q.
    answer choices

    6

    -6

    6i

    6i2

  • Question 9
    300 seconds
    Q.
    answer choices

    4i√3

    -4i√3

    4√3

    -4√3

  • Question 10
    300 seconds
    Q.
    answer choices
  • Question 11
    300 seconds
    Q.
    answer choices
  • Question 12
    300 seconds
    Q.
    answer choices

    30

    30i

    -30

    -30i

  • Question 13
    300 seconds
    Q.

    x2 + 36 = 0

    answer choices

    x = ±6

    x = 6i

    x = -6

    x = ±6i

  • Question 14
    300 seconds
    Q.

    33 = 18 - 3x2

    answer choices

    x = ±5i

    x = ±i√5

    x = ±√5

    x = i√5

  • Question 15
    300 seconds
    Q.

    2(x - 8)2 + 40 = 16

    answer choices

    x = 8 ± 2i√3

    x = 8 ± √-12

    x = -8 ± 2i√3

    x = 8 ± 3i√2

  • Question 16
    300 seconds
    Q.

    ⅖(x + 3)2 + 8 = -32

    answer choices

    x = 3 ± 10i

    x = ±13i

    x = -3 ± 10i

    x = ±i√10

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