Write the First Five Terms of the Sequence

question 140

Multiple Choice

Write the first five terms of the sequence.Determine whether the sequence is arithmetic.If so, find the common difference.(Assume that n begins with 1.) ​
A_n = (-2) n
​

• A)​-2, 4, -8, 16, -32Not an Arithmetic sequence
• B)-32, -16, -8, -4, -2Arithmetic sequenced = 2
• C)-2, 4, -8, 16, -32Arithmetic sequenced = -2
• D)-2, 4, -8, -16, -32Arithmetic sequenced = 2
• E)-32, -16, -8, 4, -2Not an Arithmetic sequence

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Definitions:

Control Group

In experimental research, a group of subjects that does not receive the experimental treatment and is used as a benchmark to measure the effect of the treatment.

Experimental Groups

In scientific research, groups of subjects that receive the treatment or intervention being tested, allowing researchers to assess its effects.

Experimental Method

A systematic and scientific approach to research in which the researcher manipulates one variable to measure its effect on another variable.

Cause And Effect

A relationship where one event (the cause) makes another event happen (the effect).