Mathematics, 11.01.2021 04:10 hannamcbrayer1

In the equation, y = x^2 - a, a is a positive constant and the graph of the equation in the xy plane is a parabola. Which of the following is an equivalent form of the equation? 1. y = (x+a)(x-a)
2. y = (x+a/2)(x-a/2)
3. y = (x+a)^2
4. y = (x+sqrt(a))(x-sqrt(a))

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In the equation, y = x^2 - a, a is a positive constant and the graph of the equation in the xy plane...