A triangle is rotated 90° about the origin. Which rule describes the transformation?
(x, y) (-X, -y)
(x, y) - 6-y, x)
(x, y) + (-y, -x)
(x, y) - 1.-x)

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Idon't see any graph, however the graph of the function : f(x) = x²-2x+3 is a parabola: 1) open upward (since a> 0)2) it intersects y-axis in 3 (y=3)3) its axis of symmetry is x = +1 ( -b/2a)4) it's minimum is y = -2, so its vertex is (1,-2)5) it doesn't intersect the x-axis since discriminant < 0