Find the points on the lemniscate where the tangent is horizontal. 2(x + y2)2 = 25(x - y) (x, y) = (x, y) = (x, y) = (x, y) = x) (smaller x-value, smaller y-value) y (smaller x-value, larger y-value) (larger x-value, smaller y-value) (larger x-value, larger y-value)