Use the Following Information for Questions -What Is the Equation of the Line Using the High-Low

Multiple Choice

Use the following information for questions
$\begin{array}{c}\begin{array}{l}\\\underline{\text { Month }} \\\text { Jan } \\\text { Feb } \\\text { Mar } \\\text { Apr } \\\text { May } \\\text { Jun } \\\text { Jul } \\\text { Aug }\end{array}\begin{array}{ll}\text { \# Machine } & \text { Maintenance } \\ \underline{\text { Hours (X) }} & \underline{ \text { Costs(Y) }}\\3,000 & \$ 440 \\4,500 & \$ 690 \\8,000 & \$ 510 \\ 7,000 & \$ 600 \\6,000 & \$ 550 \\9,000 & \$ 980 \\3,500 & \$ 840 \\5,500 & \$ 600 \end{array}\end{array}$


-What is the equation of the line using the high-low method and this data?

A) $980 = 170 + (0.09X)
B) Y = $170 + (0.09 x 9,000)
C) Y = 170+ ($0.09 X)
D) X = 170+ ($0.09 Y)