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Operations with Complex Numbers

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  • What complex number is graphed?
    3i
  • Simplify √-25
    5i
  • Simplify 2i(8i)
    -16
  • Simplify i - 7i
    -6i
  • Simplify (8-7i)*(-2i)
    -16i - 14
  • What is the real part of 17-5i?
    17
  • What complex number is graphed?
    2 - i
  • Simplify (5-2i)-(7+4i)
    -2-6i
  • Absolute value of -4-7i
    √65
  • What is the imaginary part of -6 - 3i?
    -3i
  • Simplify √-121
    11i
  • -6i(3 - 2i)
    -12 - 18i
  • Simplify (1 + 4i)(1 - 4i)
    17
  • The absolute value of -2+3i
    √13
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