12. Which of the following is a geometric sequence? А. 2, 4, 6, 8, 10, ... 1 1 В. 2 .... 4 8 16 С. -18, -11, -4, 3, 10,.. D. a, a + b, a + 2b, a + 3b, ... 13. Arithmetic: Difference; Geometric: A....

1 D. n2, where 2 < 100="" 15.="" insert="" two="" geometric="" meane="" hetween="" 5="" "/="">
Extracted text: 12. Which of the following is a geometric sequence? А. 2, 4, 6, 8, 10, ... 1 1 В. 2 .... 4 8 16 С. -18, -11, -4, 3, 10,.. D. a, a + b, a + 2b, a + 3b, ... 13. Arithmetic: Difference; Geometric: A. Factor B. Ratio С. Product D. Sum 14. Which of the following describes an infinite sequence? А. 2, 4, 8, ..., 1024 B. multiples of 2 from 1 to 1000 C. 2", where n >1 D. n2, where 2 < 100="" 15.="" insert="" two="" geometric="" meane="" hetween="">