Adrianfornisgo Adrianfornisgo Math Answered Part 1 A. Directions: Determine if the pattern illustrates geometric or arithmetic sequence. Write your answer on the space provided. 1, 2, 6, 18, 54. 162 2.80, 40, 20, 10,5 3. -3, -6, -9, -12 4.2, -4, 8, -16, 32, -64 5. 15, 25, 35, 45, 55