Find the First Term and the Common Difference for the Arithmetic

question 309

Multiple Choice

Find the first term and the common difference for the arithmetic sequence. Round approximations to the nearest
hundredth.
- $\mathrm { a } _ { 12 } = 109 , \mathrm { a } _ { 68 } = 557$

• A) \(\mathrm { a } _ { 1 } = 448 , \mathrm {~d} = 21\)
• B) \(\mathrm { a } _ { 1 } = 21 , \mathrm {~d} = 448\)
• C) \(\mathrm { a } _ { 1 } = 21 , \mathrm {~d} = 8\)
• D) \(\mathrm { a } _ { 1 } = 448 , \mathrm {~d} = 8\)

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Definitions:

Reagents

Substances or compounds added in a chemical reaction to bring about a reaction or to see if a reaction occurs.

Transformation

A general term for changing one chemical species into another through a chemical reaction.

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