Given Are the First Three Terms of a Sequence That $2 , \frac { 3 } { 2 } , 1$

question 182

Multiple Choice

Given are the first three terms of a sequence that is arithmetic. Find a1 and d.
- $2 , \frac { 3 } { 2 } , 1$

• A) \(a _ { 1 } = 2 ; d = - 1\)
• B) \(\mathrm { a } _ { 1 } = 2 ; \mathrm { d } = - \frac { 3 } { 2 }\)
• C) \(\mathrm { a } _ { 1 } = 2 ; \mathrm { d } = \frac { 1 } { 2 }\)
• D) \(a _ { 1 } = 2 ; d = - \frac { 1 } { 2 }\)

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