Determine the vertex and the x-intercepts. Then sketch the graph.y = x2 + 2x - 3

A.

Vertex: (1, 4);
x-intercepts: (-1, 0) and (3, 0)
B.

Vertex: (- 1, - 4);
x-intercepts: (3, 0) and (1, 0)
C.

Vertex: (1, - 4);
x-intercepts: (-1, 0) and (3, 0)
D.

Vertex: (- 1, - 4);
x-intercepts: (-3, 0) and (1, 0)


Answer: D

Mathematics

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