The scatterplot below shows the relationship between the number of hours spent watching television the day before a test and the test scores earned by a group of students. Which equation represents the line of best fit for the scatterplot?y=−10x+50y = − 10 x + 50y=−10x+100y = − 10 x + 100y=10x−50y = 10 x − 50y=10x−100