Answer:
B. -1, 2, -4, 8
Step-by-step explanation:
The characteristic of a geometric sequence is that adjacent terms have a common ratio. Sequence B is the only one.
2/-1 = -4/2 = 8/-4 = the common ratio: -2
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Ratios of adjacent terms are different for the other sequences.
Answer:
Store A
Step-by-step explanation:
If you divide the amount of pencils needed by the amount in the packs, you can see how many packs you need. (But you have to round up because you can't buy half a pack)
So for Store A, it's 3 packs. That would total to $60
Store B also needs 3 packs, and that would be $81
Answer:
D is the correct answer
Step-by-step explanation:
hopes this helps
X=5+or-i sqrt 11.... so both of the last two options are correct
