Which of the following graphs are correct for a zero order reaction ?

For a zero order reaction, R=-kt+Ro                             .....(i)                ↑  ↑   ↑         y=m×x×c  On comparing with equation of straight line                         y = [R] concentration                        x = t time          Slope (m) = - k rate constant       Intercept (c) =  [R ]o initial concentrationOn rearranging Eq. (i) [R]−[R]0t=−k[R]−[R]0t=−kt0       Rate ∝t0