The enrollment at East Valley High School over a six-year period is displayed in the scatterplot.
Student Enrollment at East Valley High School
On a graph, the x-axis is labeled year and the y-axis is labeled students. Points (2009, 1,330) and (2013, 1,492) are plotted.
Which is the equation of the line of best-fit for this scatterplot?
y = negative StartFraction 81 Over 2 EndFraction x + StartFraction 165,389 Over 2 EndFraction
y = negative StartFraction 2 Over 81 EndFraction x + StartFraction 111,748 Over 81 EndFraction
y = StartFraction 2 Over 81 EndFraction x + StartFraction 103,712 Over 81 EndFraction
y = StartFraction 81 Over 2 EndFraction x minus StartFraction 160,069 Over 2 EndFraction
