1.   Graph R(-3, -145°).
    A.
    B.
    C.
    D.
    Hint

  2.   Graph the polar equation =.
    A.
    B.
    C.
    D.
    Hint

  3.   Graph
    A.
    B.
    C.
    D.
    Hint

  4.   Graph
    A.
    B.
    C.
    D.
    Hint

  5.   Write the rectangular equation x2 + y2 = 9 in polar form.
    A. r = 18 or r = -18 B. r = 9 or r = -9
    C. r = 3 or r = -3 D. r = 6 or r = -6
    Hint

  6.   Write in rectangular form.
    A. B.
    C. D.
    Hint

  7.   Simplify (2 7i)(4 + 2i).
    A. 22 6i B. 6 6i
    C. 6 24i D. 22 24i
    Hint

  8.   Solve the equation 3x + y + 2i = 12 + xi - yi for x and y, where x and y are real numbers.
    A.
    B.
    C.
    D.
    Hint

  9.   Solve the equation x3 - 27 = 0.
    A. 3, ,
    B. 3, ,
    C. 3, ,
    D. 3, ,
    Hint

  10.   Find the rectangular coordinates of the point K(4, 276°).
    A. (0.42, -3.98) B. (-38.06, -38.06)
    C. (-2.38, -38.06) D. (-3.98, 0.42)
    Hint

  11.   Which of the following is the graph of the equation 4 = -r cos ( - 58°)?
    A.
    B.
    C.
    D.
    Hint

  12.   Simplify (2 - 4i)(-21 + 6i).
    A. -18 + 96i B. -19 + 2i
    C. 12 + 84i D. -42 - 24i
    Hint

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

  14.   Find the quotient . Express the result in rectangular form.
    A. B. 1.07 + 6.92i
    C. -6.96 - 0.76i D.
    Hint

  15.   Find the quotient Express the answer in rectangular form, approximating a and b to the nearest hundredth.
    A. 2.14 + 2.64i B. 2.14 - 2.64i
    C. 0.19 - 0.23i D. -2.40 - 2.40i
    Hint

  16.   Find the principal fourth root of 256i. Leave the result in polar form.
    A. 4 (cos 0 + i sin 0) B.
    C. 4 D.
    Hint