This time I was able to see your graph,
the new vertex is (0,2) and another point on it is (1,-1)
so if the parent equation is y = x^2
the new equation is
y = a(x-0)^2 + 2
y = ax^2 + 2
but the point (1,-1) lies on it
1 = a(-1)^2 + 2
1 = a + 2
a = -1
new equation: y = -x^2 + 2
Notice that because of the position of the new point (1,-1) the value of a turned out be negative, which we expected, since it opens downwards
Thank you Reiny!!!!!!!
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