Question

final exam study time
the equation for the line of best fit is shown below.
y = 5x + 55
based on the line of best fit, what grade should students expect if they studied for 4 hours?
a. 90%
b. 75%
c. 85%

Explanation:

Step1: Identify x value

x = 4 (study time in hours)

Step2: Substitute into equation

$y = 5(4) + 55$

Step3: Calculate y

$y = 20 + 55 = 75$

Answer:

B. 75%