Gggggggggggggggggggggggggggggggggggggggg

The given equation is :
1. The relationship such that dependent variable (y) is isolated is :
2. The table accompanying this equation :
3. graph of the given equation is in attachment ~
Answer:
the equation is not correct....
well, it should look sth. like (x+or- number)^2=number
(-1,-9) because if we substituted 1 into x y would be 9 and if we substituted 1/2 into x y would be 3 but if we substituted -1 into x y would be 1/9 so therefore that value is incorrect