Use a Graphing Utility to Find the Equation of the Line

Multiple Choice

Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
- $\begin{array}{l|lllll}\mathrm{x} & 1.2 & 1.4 & 1.6 & 1.8 & 2.0 \\\hline \mathrm{y} & 54 & 53 & 55 & 54 & 56\end{array}$

A) $y = 2.5 x + 50.4$
B) $y = 3 x + 50$
C) $y = 54$
D) $\mathrm { y } = 55.3$