Quiz
Simplifying Imaginary Numbers
5 months ago by
michael.r.sachs_39693
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Preview (14 questions) Show answers
  • Question 1
    120 seconds
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    Q.

     9\sqrt{-9}  

    answer choices

    3

    -3

     9i9i  

     3i3i  

  • Question 2
    120 seconds
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    Q.

     20\sqrt{-20}  

    answer choices

     2i52i\sqrt{5}  

     2i5-2i\sqrt{5}  

     20i20i  

     20i-20i  

  • Question 3
    120 seconds
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    Q.

     49\sqrt{-49}  

    answer choices

     7i7i  

    -7

     7i-7i  

     49\sqrt{49}  

  • Question 4
    120 seconds
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    Q.

     i2i^2  

    answer choices

    1

    -1

     i-i  

     ii  

  • Question 5
    120 seconds
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    Q.

     12i212i^2  

    answer choices

     12\sqrt{-12}  

    12

     i12i\sqrt{12}  

    -12

  • Question 6
    120 seconds
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    Q.

     36i3\cdot6i  

    answer choices

    18

     18i18i  

    -18

     9i9i  

  • Question 7
    120 seconds
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    Q.

     5(49)5\left(\sqrt{-49}\right)  

    answer choices

    35

     35i35i  

    -35

     35i-35i  

  • Question 8
    120 seconds
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    Q.

     (4i)2\left(4i\right)^2  

    answer choices

     4i24i^2  

     16i16i  

    16

    -16

  • Question 9
    120 seconds
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    Q.

     (i5)2\left(i\sqrt{5}\right)^2  

    answer choices

     5i-5i  

    -25

    -5

     25i-25i  

  • Question 10
    120 seconds
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    Q.

     7i(2i)7i\left(2i\right)  

    answer choices

    -14

     14i14i  

    -9

     9i9i  

  • Question 11
    120 seconds
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    Q.

     5i(2)5i\left(\sqrt{-2}\right)  

    answer choices

     5i2-5i\sqrt{2}  

     525\sqrt{2}  

     52-5\sqrt{2}  

     525\sqrt{-2}  

  • Question 12
    120 seconds
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    Q.

     i9i^9  

    answer choices

     ii  

     i-i  

    -1

    1

  • Question 13
    120 seconds
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    Q.

     i6i^6  

    answer choices

     ii  

    -1

     i-i  

    1

  • Question 14
    120 seconds
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    Q.

     15-\sqrt{-15}  

    answer choices

     15-15  

     15i-15i  

     i15-i\sqrt{15}  

     15\sqrt{15}  

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