Thank you for the opportunity to help you with your question!
x intercept is obtained when y=f(x)=0 . You have to solve f(x)=0
2(x-1)^2-18=0 <=>(x-1)^2=9 <=> x-1 = 3 or x-1=-3 <=> x=4 or x=-2
There are two x intercepts x=4 and x=-2
y intercept is when x=0
Finally vertex is (1,-18)
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?