1.   Find the absolute value of the complex number .
    A. B. 2
    C. 1 D. -2
    Hint

  2.   Another name for the complex plane is the _________ plane.
    A. Argand B. polar
    C. rectangular D. Cartesian
    Hint

  3.   Express the complex number -9 – 4i in polar form.
    A.
    B.
    C.
    D.
    Hint

  4.   Another name for the absolute value of a complex number is the _______________.
    A. amplitude B. real part
    C. argument D. modulus
    Hint

  5.   Express the number in rectangular form.
    A. B.
    C. D.
    Hint



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