A curve y = ax2 + bx + c passing through the point (1, 2) has slope at origin equal to 1. then ordered triplet (a, b, c)A curve y = ax2 + bx + c passing through the point (1, 2) has slope at origin equal to 1. then ordered triplet (a, b, c) may be (1) (1, 1, 0) (2) ($1\over2$, 1, 0) (3) (−$1\over2$, 1, 1) (4) (2, −1, 0)