Use a Graphing Utility to Find the Equation of the Line

question 25

Multiple Choice

Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
- $$\begin{array} { c | c c c c c } x & 1 & 3 & 5 & 7 & 9 \\\hline y & 143 & 116 & 100 & 98 & 90\end{array}$$

• A) y = -6.2x + 140.4
• B) y = -6.8x + 150.7
• C) y = 6.8x - 150.7
• D) y = 6.2x - 140.4

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