Kathy P. answered 05/22/19
Mechanical Engineer with 10+ years of teaching and tutoring experience
The general equation is: y = a(x - h)2 + k
With vertex at (h,k) = (1,2), we have: y = a(x - 1)2 + 2
To solve for a, substitute the given point (x,y) = (3,10) into the equation.
10 = a(3 - 1)2 + 2
8 = a(2)2
8 = a(4)
2 = a
Now, for a final answer, we have: y = 2(x - 1)2 + 2