Answer:
A -0.5
B 4.5, -2.25, 1.125
Explanation:
A: 72× -0.5= -36
-36× -0.5= 18
18× -0.5= -9
B multiple everything by -0.5
The common ratio is -2
Next three terms are 18, -36, and 72
The common ratio is -2 since each consecutive term is being multiplied by -2
The next three terms are -9(-2) = 18, 18(-2) = -36, and -36(-2) = 72
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