After Determining Whether the Variation Model Below Is of the Form

question 423

Multiple Choice

After determining whether the variation model below is of the form $y = k x$ or $y = \frac { k } { x }$ , find the value of k.
$\begin{array} { | c | c | c | c | c | c | } \hline x & 154 & 161 & 168 & 175 & 182 \\\hline y & 66 & 69 & 72 & 75 & 78 \\\hline\end{array}$

• A) \(k = 7\)
• B) \(k = \frac { 7 } { 3 }\)
• C) \(k = \frac { 1 } { 7 }\)
• D) \(k = \frac { 3 } { 7 }\)
• E) \(k = \frac { 7 } { 66 }\)

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Definitions:

Chemical Reactions

Processes where substances interact to form one or more new substances with different chemical properties.

Second Law

This term is incomplete without a context but could refer to the Second Law of Thermodynamics, which states that the total entropy of an isolated system can never decrease over time.

Thermodynamics

The branch of physics that deals with the relationships and conversions between heat and other forms of energy.

Second Law

An ambiguous term that may refer to the second law of thermodynamics, which states that the entropy of an isolated system not in equilibrium almost always increases.