Answer:
(4 , -25)
Step-by-step explanation:
that is the procedure above
the vertex of the parabola is calculated by the formula
a=5
a^2+b^2=c^2
c^2-b^2=a^2
13^2-12^2=a^2
169-144=a^2
25=a^2
5=a
4.5, 4, 3.5, 3, 2.5, 2