Part A

Maddie's math teacher plots student grades on weekly quizzes against the number of hours they work on classwork a week and then draws the line of best fit.

Write an equation in slope-intercept form of the trend line.
(1 point)
Responses

y=x+55

y is equal to x plus 55
y=5x+55
y is equal to 5 x plus 55
y=x+60
y is equal to x plus 60
y=−5x

y is equal to negative 5 x

Question 2

Part B

According to the data, what is the best prediction for a student's quiz grade if they spend 5 hours working on their math classwork a week?
(1 point)
Responses

71
71
81
81
90
90
75

The best prediction for a student's quiz grade if they spend 5 hours working on their math classwork a week is 81.