Question

sleep and television
the equation for the line of best fit is shown below.
$y = -\frac{2}{3}x + 8$
based on the line of best fit, if a student watches television for six hours, how many hours of sleep would they be expected to get?
a. 12 hours
b. 4 hours
c. 6 hours

Explanation:

Step1: Identify x value

x = 6 (hours of TV)

Step2: Substitute into equation

$y = -\frac{2}{3}(6) + 8$

Step3: Calculate y

$y = -4 + 8 = 4$

Answer:

B. 4 hours