Answer:
y + 4 = 2(x - 7)^2
Step-by-step explanation:
Multiply both sides by 2 (to eliminate the fraction 1/2):
1/2 (y+4)=(x-7)^2 => y + 4 = 2(x - 7)^2
From this we can immediately read off the coordinates of the vertex; they are (7, -4). This vertical parabola opens upward.