Determine whether the following sequence is arithmetic, geometric, or neither.
2 answers:
-3 Should Be The Corrext andwer
An arithmetic sequence always has a common difference, or d, which is the same difference between each term and the one preceding it.
-3--6=0--3=3-0=3
So each term is 3 more than the previous term so this is an arithmetic sequence.
Geometric sequences have a common ratio, where each term divided by the previous term is constant.
If there is no common difference or common ratio, a sequence is neither.
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<span>x² - 18x - 4 = ox² - 18x = 4x² - 18x + (18/2)² = 4 + (18/2)²x² - 18x + 81
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Answer:
X=-4
Step-by-step explanation:
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