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 = 6 or r = -6 B. r = 18 or r = -18 C. r = 3 or r = -3 D. r = 9 or r = -9 Hint 6. Write in rectangular form. A. B. C. D. Hint 7. Simplify (2 – 7i)(4 + 2i). A. 22 – 24i B. 6 – 6i C. 6 – 24i D. 22 – 6i 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. -42 - 24i C. -19 + 2i D. 12 + 84i 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. -2.40 - 2.40i B. 2.14 - 2.64i C. 2.14 + 2.64i D. 0.19 - 0.23i Hint 16. Find the principal fourth root of 256i. Leave the result in polar form. A. B. C. 4 D. 4 (cos 0 + i sin 0) Hint