gayrainbow gayrainbow 30-10-2017 Mathematics contestada What is the slope and y-intercept of this line? y = -3 + 9 A. slope: 3 y-intercept: -9 B. slope: -3 y-intercept: 9 C. slope: 1 y-intercept: -3 D. slope: 9 y-intercept: -3