Answer:
The number of hours worked each week for a student with a GPA of 2.23 is 50 hours.
Step-by-step explanation:
Given : A study found that a student's GPA, g, is related to the number of hours worked each week, h, by the equation
To find : Estimate the number of hours worked each week for a student with a GPA of 2.23 ?
Solution :
The equation representing situation is
Now, Substitute g=2.23
Solve,
Multiply both side by 10000,
Apply quadratic formula,
Reject h=-22.8
Approximately the value of h is 50.
Therefore, The number of hours worked each week for a student with a GPA of 2.23 is 50 hours.