1.   Use polar form to find the product (4 + 4i)(-2 + 2i). Express the result in rectangular form.
    A. 16 B. 16i
    C. -16i D. -16
    Hint

  2.   In a circuit with alternating current, , where E represents voltage, I current, and Z impedance. Determine the voltage in a circuit where there is a current of amps and an impedance of ohms.
    A. B.
    C. D.
    Hint

  3.   Find the product . Express the result in rectangular form.
    A. -54i B. -54
    C. 54 D. 54i
    Hint

  4.   Find the product 3 (cos 2.8 + i sin 2.8) · 5 (cos 0.6 + i sin 0.6). Express the answer in rectangular form, approximating a and b to the nearest hundredth.
    A. -14.50 - 3.83i
    B. -1.63 + 14.91i
    C. -8.83 + 12.13i
    D. -0.87 + 7.95i
    Hint

  5.   Find the product . Express the solution in rectangular form.
    A. B. -3
    C. 3 D. 0
    Hint