Question

Which of the following sequences is a geometric sequence? A 20, 18, 16, 14, 12,… C. -11, 22, -44, 88, -176,… B. 11, 13, 14, 15, 17,… D. -10, 15, 17, 20, 100,
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Answer 1

Answer:

Find-

(a) (-8) -17-(-20)

(b) 44+ (-19)-(-12)

(c) 20+ (-13)-(-13)

(d) 22+ (-19)-(-14