Patrick T. answered 11/09/22
Tutor Specializing in French & Math (up to college Pre-Calculus)
Hello Lopez,
The Vertex form equation is:
Vertex form:
y = a(x - h)2 + k where (h,k) are the coordinates of the vertex
So all you need to do is replace h and k by the numbers you were given for the vertex
y = 7*(x-(-9))2 + 4
so: y = 7(x + 9 )2 + 4 is the equation
Lopez L.
Thank you so much!11/09/22