Which represents the solution(s) of the graphed system of equations, y is equal to x squared plus 2 x minus 3 and y is equal to x minus 1 ? Open image in full-screen view

At an intersection, both equations have the same y-value, so set them equal: x² + 2x − 3 = x − 1. Rearranging gives x² + x − 2 = 0, which factors as (x + 2)(x − 1) = 0, so x = −2 or x = 1. Substituting into y = x − 1 gives y = −3 and y = 0, respectively. The solutions are (−2, −3) and (1, 0), choice B.

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