1. what is the equation of the line that passes through (2, -1) and whose y-intercept is 5? a)2x + y - 5 = 0 b)3x + y - 5 = 0 c)2x + y + 5 = 0 d)3x + y + 5 = 0 2.write the equation of the line that has a slope of 5/2 and passes through the point (2, 4.5). a)y = -2.5x + 3 b)2x +5y -1 = 0 c)5x + 2y - 2.5 = 0 d)5x - 2y - 1 = 0