What is the equation of the following graph in vertex form? the graph shows a positive parabola with the vertex at, (-1,0) and passes through (0,1) and (-2,1) answers y = (x − 1)2 y = (x − 1)2 + 1 y = (x + 1)2 − 1 y = (x + 1)2

Vertex form uses the following formula:

a determines the stretch of the parabola. h and k are the x and y values of the vertex (h, k), respectively.

The vertex is at (-1, 0). There is no a value indicated for any answer. Plug these values into the equation:

The answer is (x+1)^2.

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