Y=A(x-h)^2+k is called

y = a(x – h)2 + k, where (h, k) is the vertex

Step-by-step explanation:

The sign on "a" tells you whether the quadratic opens up or opens down. Think of it this way: A positive "a" draws a smiley, and a negative "a" draws a frowny.

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i think thats the answer i checked it on google

step-by-step explanation:

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